For me it's Alex Kurtzman.
I mean, look at this guy. https://www.imdb.com/name/nm0476064/
He could be an emoji in his own right, for any time some movie or TV slop is dolloped out that is carefully protected from being called garbage because there are culture war markings on it that make you sound like a chud if you don't like it.
Also holy shit that resume is something else
It's like a bodycount of franchises wrecked by his smirking smug "reimaginings."