No, they are still dangerous (if you don’t know what you are doing), because there can still be residual voltage in the capacitors, even when not plugged in. (I am no expert)

Yes, unfortunately. I heard it as an answer, to me trying to move people to Signal…

There are forks, like libre wolf (desktop) and mull (Android) that don’t ship with some of the bullshit, Firefox ships.

That requires a phone …