I agree with you about the way people from any given generation will always look down their noses at the one that follows them. That said, there's
good evidence out there that recent changes in parenting styles (from laizzez faire to extremely over-protective, "helicopter parenting") has had a fairly profound impact. And personality changes that are coded before adulthood can take decades to get over.
Baby boomers have a lot to answer for but the way they tended to get on with their own life - and let kids fit in as best they can - does seem to be a good way to prepare their offspring for life away from home. The more recent trend to put kids at the centre of everything they do, with their parents spending their life at their beck and call is potentially problematic, no matter what environment they spend their life in after leaving home. In fact, the fact that the more environmental challenges they face, the more likely they will end up completely unable to cope.
And I'm saying this as someone who finds myself constantly falling into the same patterns. The wealth of information we now have about parenting makes people constantly worry about whether they're doing a good job and whether they should be doing more for their children. The funny thing is, a little bit more neglect would be in everyone's best interest. Because they're careering towards a future where mum and dad won't constantly be around to pick up the pieces.