They do it because their parents did it to them, and when it happened to our parents, that [img]/xxx.gif[/img][img]/xxx.gif[/img][img]/xxx.gif[/img][img]/xxx.gif[/img] was true.
But our parents, for the most part, had it easy. I'll wager most people's parents here are Baby Boomers or the generation after (What's that, like Generation Xers or something?).
Yeah, anyone born after WW2 in the West has it better than anyone born before it.