Yes, capitalism is exhausting us, but why?

Recently the old(ish) adage of "capitalism leaves us all too exhausted to pursue our hobbies" has been going around. I agree with it, because even though I'm able to keep up with most of my interests right now, I have to viciously eke out time. And then on the days where I am really ~productive~, I cap out at 7pm and don't have the energy to do anything worthwhile.