Some people don't have this family structure. Many come from broken homes with no good role models to look up to. They mimic their parent's maladaptive behaviors and end up in bad relationships. The degenerative cycle repeats. Many of these broken homes were the result of economic devastation or cultural disruption. Instead of going to church, for example, many families stayed home and watched T.V., completely degrading their social skills.
Also, some people think about the bigger picture. It's great that your mind can rest within the bounds of your backyard. Less parochial types can be more apocalyptic because they are thinking where we are headed. If we look back, we see the most apocalyptic events ever endured by mankind--the great world wars. If we look forward, we may see the potential of even worse things happening.
What makes matters more difficult is that comments like yours can be interpreted as saying that you are well made, have good values, have a square head on your shoulders, and others have something wrong with them. They aren't "traditional," like you--that's their problem. If only they embraced traditional values, they would be set right--put on the straight and narrow, like you. This is really an oversimplification of what's happening to some people. Material and social conditions affect how people develop.
It's easy to look at a person from a ghetto and say, "If only they had good values, all this would clear itself up. It only they believed in working hard, they would pull themselves up by their bootstraps and seize the day." I wonder why we can't whisper these magic words to people and solve their problems.
Edit: Hyper-online types are clearly looking for a connection they don't have in real life. The internet is almost like a honey pot for these types. Their rejection of traditional values may simply reflect their lack of faith in it because they saw their parent's bad marriage, or it may reflect a rebellion against the old order which seems to have failed them. Liberalism in particular is a home for lost souls looking for forms to express their discontent. It too is a honey pot for these types.