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.
Unfortunately what’s going to happen in reality is that any non-standard ad consumption (including non consumption) will be flagged as fraudulent. “We cannot verify your activity, please disable your add-ons to continue”.