uBO is in Firefox’ “recommended add-ons” list which are reviewed after every update.

You can check their criteria here:

https://support.mozilla.org/en-US/kb/recommended-extensions-program

They could but only after you installed them and explicitly gave them the permission to do so. i don’t get your point.

While it is still possible to block some ads on chrome the remaining options are inferior. If that is enough for you go ahead.

uBlock Origin is open source and can be freely audited by everyone. https://github.com/gorhill/uBlock

No but it rhymes.

Try concentrating on your breathing.

You’re holding it wrong.