https://m.youtube.com/watch?si=b8gFTiAMR95D1x3E&v=_GARcKCaUfI&feature=youtu.be

Invidious link https://invidious.privacydev.net/watch?v=_GARcKCaUfI

His cited articles https://www.wired.com/story/youtubes-ad-blocker-crackdown-spurs-record-uninstalls

https://www.androidauthority.com/youtube-ad-block-installs-3382289

With YouTube cracking down on Adblockers two things are happening, people are finding out adblockers exist at all and people are moving to better adblockers that can still block YouTube ads. One example I can think of is Ublock Origin and their efforts to keep it working blocking ads on YouTube.