Saturday and Sunday off is 104 days of “vacation”. Add in 6 weeks of actual vacation and you get 134.
I’m not American. I don’t know why they work so much. They seem happy with it, though. When it gets to AI, people worry about running out of work. People who welcome that and only want the income to be redistributed seem to be a minority here. More people seem to want AI to be stopped, so that the work remains for humans. I don’t know if that’s just this bubble, or if these pro-work people are even American.