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.
Big fan of the "how dare you don't use professional language" vibe coming from the folks clinically discussing how to ruin what little remains of the open web.
Remember, doing terrible things is a-okay if you do it with professional attire, polite speech, and the right tone. Mess up any of those and you're okay to reject and write off for being unprofessional and, if you're of certain demographics, too emotional.