don't know what to tell you bro. some bosses believe in working their employees to death. even entire industries like Finance and Medicine have that 100 hour work week culture. i think it's insane but you're certainly not going to convince insane people that they are not sane.
unfortunately Americans as a whole believe in hard work for the sake of hard work.
from military boot camp to medical school to wall street apprenticeships - they are literally all trying to see if they can kill the subject with overwork and sleep deprivation.
it's as American as sucking baby dicks and sending money to Israel.