Unfortunately, Microsoft will often force their own 2FA app when logging in to 365.

Correct me if I am wrong, but I don’t think you would be able to do this as ctrl+c copies what is highlighted rather than the actual link.

If you wanted to do this and make it default, I believe you should be able to do so using userChrome.css. You won’t be able to change the text, but you can remove the old menu item.

I had a cool LED on my old Sony which pulsed to the beat of music playing. It also covered the whole of the bottom of the phone and also showed when the phone was upside down. It was well cool.