Bad is relative. I usually don't bother with the MPV/yt-dlp combo (except for rare local downloading for backup/convenience purposes) and just let it play in the browser. Not being logged in, because I have no google account anymore. It's smooth, and plays instantly when opened in a new tab. I let it have its cookies, and don't erase them, so I get the content I like, mostly. For things I'm unsure how they'd affect the algorithm, or if they are AI-slopped music, I'm just opening them in a private window. Works for me with just uBO and some additional list subscriptons in there.