Erm, no. That may be just great for a spotty kid in his first or second job, but someone seasoned with a wife and kids isn't really going to be thrilled with putting in startup hours for an iPad2, or the kind of stock options startups are offering. This is another reason why they're having trouble recruiting: the small pool of young people with few responsibilities that have the right skillset.
"primary focus of your life" intitle:jobs
and you get:
Quora: "You should be ready to make this startup the primary focus of your life"
Udemy: "You should be ready to make this startup the primary focus of your life"
GoPollGo: "you should be ready to make working on GoPollGo the primary focus of your life."
Bubbli: "you should be ready to make Bubbli the primary focus of your life."
So yeah, probably not a good fit for someone with a wife and kids.
I hope this turn into the new job postings fax pau of "rockstar/ninja" proportions.
I remember one of the promises my manager made me at IBM in the early 90s crisis was that he couldn't necessary be competitive in compensation but I would always have access to the coolest equipment and people... Yes he actually kept that promise, I managed to get one of almost every RS/6000 before they were publicly released in my lab...