I think Paul Graham summed up the situation fairly well when he wrote: "Economically, you can think of a startup as a way to compress your whole working life into a few years. Instead of working at a low intensity for forty years, you work as hard as you possibly can for four. This pays especially well in technology, where you earn a premium for working fast." and this: "Combine all these multipliers, and I'm claimin…
Some of us have kids, some have partners, some have ... a life!
Does PG really want a bunch of code obsessed, single minded founders with no hobbies or life outside of their startup? I can't imagine he does, and as a result he should revise some of his advice.
If PG is looking to make a quick buck, churn and burn founders than it all makes sense. But if PG is looking to help founders build sustainable businesses, he should be telling them to clock out, and open your eyes to the world (and people) around you.