I think the comments here on your reaction are interesting; most people with careers (especially on HN) are working 24/7 to be able to spend, for instance, time with their family
in the future (which, if you are an entrepreneur, statistically, is not likely to happen soon). And yet the responses here are saying that if you think family is important, you would let other things drop. There definitely are people who value family over all, and I know quite a few of them (my sister being one), but she is not on HN on a sunday. Neither does she value the amassing of money as something important in life. Reading most of HN shows that most people here do, no matter what (outside of killing others (at least openly; killing in China in factories is fine until the press finds out); killing yourself is acceptable risk).
So i'm not sure how everyone is so '4 hour workweek' in their comments; you can be with your family and you don't need millions to do that. If you really want that, there is no reason you are not doing it right now. I think if you have passion for something and you are postponing that for 'something something pot of gold', you don't really consider it that valuable.
Something for instance you quite often read in forums and such; 'I want to be with my family most, but I live in a city so I have this and that $$$$ costs per month minimum which is preventing me, in this economic climate to be with my family.' That's of course crap; move. There are tons of places in the world you can live of $500-600 / month and be happy with your family. But no there are a million excuses why 'thats not possible'. So you don't really want to be with your family that much, then, you have other goals topping that which you are trying to hide/disguise for yourself because you sound like a dick admitting that?
You can exchange 'family' with any passion. I have a friend who's biggest dream in life is to be a musician. But he comes up with 1000s of reasons why it cannot happen now. For the last 15 years mind you...