You brought it up, you specify where it doesn't work.

Netflix doesn't serve maximum res for Linux and Firefox due to DRM related reasons. Chrome on Linux usually resolves or at least amends the issue.

Yes, but: "This add-on is not actively monitored for security by Mozilla. Make sure you trust it before installing."

Most of the extensions for Firefox say that. For some reason even 7TV has that badge.

for good reason. it's a serious security risk.

Check the code with AI?

All arbitrary Javascript is a "serious security risk" if you're reductive enough.

Mac