You can either install it unsigned with Firefox Developer Edition and it will be permanent. Or you can sign it yourself (you don’t need to publish it on AMO): https://extensionworkshop.com/documentation/publish/signing-and-distribution-overview/ and it will work on regular Firefox.

You can build it yourself from source then.

By properly taxing companies and rich individuals? Besides, those leaving to 120 would most likely be among the richest of us. Do they really need a pension at all?

Bollywood is very powerful