“Phase it out” implies they created it in the first place.
What they meant was “Forcibly stop our customers from using a plugin from a 3rd party developer”
Literally none of Microsoft or Google’s god damn business and a reasonable country would heavily fine them for breaking consumer protection laws.
The part that would piss me off the most about blocking Ublock isn’t even the ads, I use Ublock to hide annoying non-ad elements on things, like blocking the AI on Google searches.