That's a really good point, not only does it not get done DIY-style, it doesn't get passed on. I think that's where the problem lies with some of my friends: they don't even realize DIY is an option because they've never known anyone to do such things. It's one thing to think "yeah, I could do it but I choose not to" (I think it myself at times), it's another to not even know that a professional is not required.

As for family time, and I say this as one without kids, if the kids are old enough I can't think of a more valuable way to spend time than teaching your kids to build something.