You are choosing a really bad example to make your point. Not letting extensions operate on the actual site where you install the extensions isn't being "comically evil" by any means.
This has always been the case for years, for every browser. No idea why you say "now".
Any browser providing extensions, not just Firefox, will at least won't allow extensions to modify their own extensions providing page. Otherwise, any malicious extension can infiltrate and trick users to download modified extensions from the browser's own extension page.
You are choosing a really bad example to make your point. Not letting extensions operate on the actual site where you install the extensions isn't being "comically evil" by any means.
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This has always been the case for years, for every browser. No idea why you say "now".
Any browser providing extensions, not just Firefox, will at least won't allow extensions to modify their own extensions providing page. Otherwise, any malicious extension can infiltrate and trick users to download modified extensions from the browser's own extension page.
Comically ignorant.
support.mozilla.org and addons.mozilla.org are distinct sites.