I don't think that could work. There is always a song or a beat playing in my head 24/7. Sometimes something I just heard, sometimes something from years ago, and sometimes its some nonsense I just came up with.
Even if I went deaf, the beat would continue. But I'd be bummed I couldn't listen to new stuff.
YouTube has integrated a boatload of AI "tools", including suggested video ideas/titles/thumbnails based on market and audience trends.
My guess as to what happened here is that multiple channels got and followed the same AI-generated suggestions. I'm not familiar with these names so I don't know whether they are legitimate creators or just content farms/AI imitators.
Mercury arc rectifier?