One even pseudo-related vid and they'll spam you. Esp if you're in a region where Jesus sells pretty well. I got a ton of that shit when I was in Kansas city for work.
Plus YT is a business, and for the right price they'll show whatever people pay them to show. Welcome to the cyberpunk dystopia
Oh yeah, when I first got Tik Tok, I got a steady diet of MAGA bullshit because of where I live.
I've become fundamentally opposed to any algorithm that uses location based data for this reason. Unfortunately, there's no escaping it, but I use Mojeek as my search engine with location off, and I use a VPN as much as I can.
Sadly, most people just slide right into fascist echo chambers without even knowing it's happening.