1) YouTube is owned by Google and their entire revenue model is in alignment with how Google does things, which ublock origin interferes with.
reply2) Manifest v3 is Google’s, not YouTube’s, project.
Manifest v3 doesn't stop ad blockers. In fact the chromium team worked together with ad block developers to adjust the design of Manifest v3 to better allow for them to be implemented.
reply* https://www.pcmag.com/news/googles-next-chrome-update-will-f...
reply> As The Next Web explains, Manifest V3 doesn’t explicitly ban ad blockers, but it does “cap the number of filtering rules an extension can apply and eliminate the dynamic blocking that makes tools like uBlock Origin effective against rapidly evolving ad-delivery systems.”
* https://9to5google.com/2026/06/15/google-chromes-next-update...
* https://www.tomsguide.com/computing/browsers/google-chromes-...
> Manifest V3 will cap the number of filtering rules an extension can apply, which could theoretically foil ad blockers' attempts to respond to the latest ad-deployment technology.