I think it's ok to introduce a new feature like the Translate Page using the "in-your-face" method at first, only once, but there has to be an easy option to disable it permanently and absolutely right there in the very pop-up itself. Not in the Settings, not through digging in the about:config. No and Never Again and Right Now.
99.999% of the time multilingual users, like myself, go to websites in a language they already know, which turns the Translate Page pop-up into borderline harassment of multilingual users when it keeps popping up on every site without a clear and permanent way of disabling it for good.
Someone needs to reassess their line of thinking on this feature. Even if I land on a website of an unknown to me language, I don't wan this pop-up. This is extremely rare though, because normally I would choose a language I do know, for example on Wikipedia.
Overall, I'm struggling to understand who the target audience is for the intrusive Translate Page feature. It feels like someone who's not actually multilingual designed this feature. Maybe it was designed by someone multilingual, but for a very narrow usage scenario. Maybe someone at Mozilla loves incessant pop-ups that interrupt their user's work, in which case kindly please keep those people away from the user interface in general.
Right now, it just feels like I'm being harassed and punished for being multilingual. That's exactly what the Translate Page feature feels like the way it's currently being presented.
