Or just run both, period!
Plex is definitely more straightforward to maintain remote access to your content (including library sharing with friends & family). So it may be worth keeping up for that aspect alone, even if you end up liking Jellyfin better.
On top of what you just mentioned, rather than Trump surrounding himself with incompetent toadies and yes-men, I think a lot of smarter, more powerful, and more dangerous people have taken the last 4 years to worm their way into his ranks.
He’s established himself as a useful idiot. During his first 4 years we saw the idiot part glaringly. It was scary and embarrassing, but we scraped by and experienced a few years of relatively boring politics. My big worry is that we’ll see the useful part exploited much more effectively this time around.