Oh no I like making settlements too but they don't really serve that much of a purpose. It can be used to generate extra resources through its scavenging table and if you interconnect them all with the supply lines perk but apart from aesthetics the functionality of it isn't really super important.
Fallout 4
Has shorter intro.
Has branching storyline.
Its world doesn\t look like the bombs JUST dropped. (it's been 210 years, world should have healed somewhat)
The shooting elements (which let's be real, they're shooter games) are actually good.
Looting serves a purpose due to settlement...