Things fun 30 years ago (first SW movies were in the 70's, right?) aren't so entertaining now, the way people look on things changes during the years, the same special effects aren't so cool and the same black&white story is boring. I guess Lucas Arts saw this and now tries to adhere to this by adjusting their franchise. It's their choice, they could tell Obsidian how should they do their game if they'd wanted to keep the things old way. But they didn't. SW is about entertainment and has to change if is to do it's job.
Another thing - you can't compare SW to Fallout and expect it to make sense. These are very diffrent things, one being a movie and the other a computer game. SW is about going to a cinema with a couple of friends to watch a cool movie and not really caring for it's credibility, where Fallout is about a deep single player computer simulation of PnP experience. You can modify the first and it'll be fine as long as it will do it's job (entertain people) and still have shiny explosions, but when you tinker with the second, it may suddenly loose all it's charm, because there are many factors (SPECIAL, ISO+TB, a world full of irony and violence, sense of loneliness, everything in retro-50's style, Mad Max\Star Trek references, great dialogues and a deep story) that made it unique. Take one thing away and it becomes broken. SW's success is based on lasers, new technology, Jedi and the Force, everything else is ONLY A BACKGROUND, put there because something had to fill the time between fighting scenes. So no, I don't think I'm being a hypocrite when I say I am pissed at Bethesda for screwing up Fallout and not caring for KotOR 2's changing an already broken franchise, that is set on milking as much cash as possible.
And besides, there are things worth saving and things unworthy of saving. I doubt we'll loose anything, except for a good-night story with changes made to SW.