The conservative mentality! It's fantastic - Take the man out of the home for more time than the child is typically awake when they are young.
Then you end up with stories like this where old men are crying because they missed their children's youth.
http://www.time.com/time/magazine/article/0,9171,1083900,00.html
Employers in the future are going to have to do one of two things. Unite against the workers and say "F-off" work or your fired. Or come to terms with the fact that people want to raise their children and contribute. There are a number of ways to be extremely productive and still give your time approriately to your family.