And since you won’t be able to modify web pages, it will also mean the end of customization, either for looks (ie. DarkReader, Stylus), conveniance (ie. Tampermonkey) or accessibility.
The community feedback is… interesting to say the least.
Literally just applying it to YouTube would send tremors throughout the internet. If YouTube stopped working in Safari or Firefox, anyone using those browsers who don’t really care and just liked those browsers for other reasons will give them up and go to a chromium based browser.
Google is fighting an apathy battle. One they know they can probably win because they own the Internet’s favorite content hub