DISCLAIMER:This joke is homophobic. "Trump being embarrassed for people thinking he had a gay relationship makes him homophobic. Affirming that embarrassment by making it the butt of the joke makes the joke homophobic"
this article explains it well: https://newhumanist.org.uk/articles/5082/the-dangerous-stereotype-of-the-self-hating-homophobe
if an image surfaced if Mangione and a boyfriend no one would bat an eye.
the issue is when homophobes are secretly gay.
they are doing so much damage to a community they hate themselves for being in.