Being in a bubble is not what makes Gutfeld not funny.
When your entire comedy seems to be built around "Hah the stupid left thinks trans women are real women but they were born with penises", well, that's just not very funny to people who tend to have a non-homogenous friend group.
Exactly, not all of us on the left are that stupid. It's just that a particularly stupid faction of the left is drawing a lot of attention on that topic. The rest of us see the concept of "male women" being as ridiculous as the right-wingers do.
When your entire comedy seems to be built around "Hah the stupid left thinks trans women are real women but they were born with penises", well, that's just not very funny to people who tend to have a non-homogenous friend group.