I wondered about this at a place I recently interviewed where the team said that I'd better be ready to put in 60h/week. I said that I don't think I get more do

I wondered about this at a place I recently interviewed where the team said that I'd better be ready to put in 60h/week. I said that I don't think I get more done working 60 instead of 40h, and certainly not better work. They disagreed that it was a problem.