I think the show is poking fun at all sorts of stereotypes, by accentuating
them, and laughing at them!
I think most people understand that it is funny *not* because of
Tim making fun of Jill, but of the absurdity of him saying these
But perhaps, that’s just me I try to never underestimate other
people’s intelligences – one might be surprised to see people smarter
than one thinks – they just didn’t want to show it off
[construction workers and others thought to be “duuh” class included]