Considering that both Fawkes and Uncle Leo were outcasted for essentially the same thing, we would have to believe that these two characters shared the same personality disorder, which I heavily doubt.
I'm not suggesting that they share the same non-intellignet personality disorder, quite the oppositte - that it is possible that Fawkes is intelligent and that's why he doesn't comply, and Uncle Leo is simply pacific for some other reason. My basis for saying this is that in our conversation with Fawkes he seems intelligent, whereas Uncle Leo does not.
It a small culture of people initially. It's not like Megaton became a massive trade hub overnight. Plus, they had support from the Children of Atom who had convened around the bomb.
It relied on martialling together a large number of traders to build its walls in the first place, by dragging severla airplanes worth of junk from miles away. It had to have been decently populated therefore (or able to martial decent manpower) prior to its defenses being built, despite having no economic basis.
Leo Stahl mentions that he "pisses in his own still", so he does brew his own alcohol. He also makes money off prostitution too, so he doesn't exactly need to pay to export goods in order to return a profit.
https://fallout.fandom.com/wiki/AndyStahl.txt
Good point re:Moriarty's still. However it still seems to be the case that he's not producing on a large enough level, and again, services are great once a town is up and running but the town needs to have an underlying economic basis to start with, or exist within a milieu in which there are already a number of settlements with sensible economic bases up and running.
She runs a general store and repairs old equipment she finds to sell. She actually mentions that she trades this stuff for food shipments.
https://fallout.fandom.com/wiki/MoiraBrown.txt
General store I did not mention because it's not a productive industry, so it's irrelevant to my point about the economic basis of Megaton. I did mention her repairs ("tinkering"), but again this seems to be on a small scale and largely individual basis, not forming the economic basis of the town.
He's the town doctor. He only needs to offer his services to the town because what we are led to believe about Megaton is that it's a popular trade hub which attracts many visitors, caravans, and traders. We don't know whether or not it would be more profitable for him to roam the wastes, but considering that he would have to hire guards and purchase his own equipment and firearms, I'm going to hazard a guess that it's not viable for him. The town needs a doctor, so his services are adequately rewarded.
I mentioned the doctor because he is the only other proprietor in town, but my point was not that he would be better off as a travelling doctor - rather, my point was that his services cannot form the economic basis for a town such as Megaton. Nor can Leo Stahl (who is a drug dealer in the sense of like the guy you buy pot from, not a manufacturer or a distributor) or the rest of the Brass Lantern gang (who make noodles from...)
They didn't have to haul a giant plane back, we are only told that they hauled scrap metal back from an airfield.
Buddy, have you seen Megaton? Are you suggesting they reconstructed the several whole sections of planes (and plane hangars) piece-by-piece? Let's be real here.
Scrap economy as a vital industry spurring trade makes sense in two instance: 1) The breaking down of buildings and scrap at large scale into raw materials, essentially mining. 2) Hunting after specific and rare components, commodities, or curios. The sort of scrap we see being traded in Fallout 3 is largely just junk that anyone could pick up anywhere, not being traded either at implied scale or at sufficient rarity (though admittedly WOlfgang does have a few genuine curios in his inventory). Fission batteries make sense, literal piles of scrap metal do not unless at large scale.
It's an easily recognizable rendezvous point. They wouldn't want to be out in the open against an enemy they couldn't see, and Springvale is full of destroyed buildings with not a lot of cover or concealment. The one building there we know of likely hadn't been built at the time, because we only know of the 2277 Capital Wasteland.
We've gone from "protection from dust storms," which does not make sense, to "easily recognizable rendezvous point," which does make a good deal more sense, but is not what is said or implied by the game.
As to SPringvale - if a city like Megaton can be built from scraps from miles away, I don't really see how it would be much of a problem to repurpose the buildings of Springvale into shanties in the same manner. And what is the one building that you are referring to?
II never doubted that. In fact I confirmed what you are saying in that post. New Vegas's economy has more reason to thrive, because it was virtually untouched by the war. In comparison to the rest of the wasteland, New Vegas is supposed to be a paradise.
New Veags would make sense even if it HAD been nuked. For a cleaner comparisons, just look at the settlements of Fallout 1. Of course this is over a larger land area blah blah, there will never be an apples to apples comparison, but generally speaking the dynamics of that world are about a billion times better thought out and more sensical than Fallout 3.
What I'm trying to say is that Bethesda made a major mistake when they wrote the game before optimizing it for contemporary current gen consoles. New Vegas could circumvent this. It was a sequel after all, which direction and advice likely granted by Bethesda.
Like if you're discussing it purely in terms of the represented size of towns, yes I agree Fallout 3 was likely held back to some degree by consoles. But even if they had managed to represent settlements closer to scale, this wouldn't solve the broader worldbuilding problems: Unless you can demonstrate that there is an enormous amount of cut content touching on these issues, it would actually only make matters worse.
If you're saying that console limitations prevented Bethesda from putting a few springs of corn or more than one brahmin per town... well I'm afraid I just don't buy that, and I would point you towards Oblivion.