Why are men such sexists

Like how come they get to say I can do this but you can’t I mean like sure you do all the plumbing and shit but can you keep it maintained like you don’t do the cleaning every day and you fix things once in a while like I can do that shit too hell if I can’t I’ll hire someone to you’re not that important
How come I have to do the tidying up after dinner and you just sit on the couch and watch tv