YouTube music is like an alien looked at that app, and tried to recreate it exclusively by smashing it’s forehead against a keyboard until an app that started most of the time came out.
You think they that much care and attention into the app?
But seriously, yeah, I had pretty much the same experience -Google Play Music just worked beautifully, whereas YouTube Music was a steaming turd on Android. I gave up after six months and two phones and went to Deezer, never looked back