The search is entirely gone and will straight up not list regular content that was made by humans, but it will absolutely surface the cheap AI-voices that can't say HVAC fluently.
Makes sense for youtube, too. For the average person, that seems to be enough, the ads are the same value, and people who dislike that probably have a large overlap with people who use adblockers and don't impulsively spend money on the latest browser-game, miracle cure for cancer, or financial advice from random scammers.