Watch Mr. Robot on Prime Video.
I don’t see it dying out soon, with the amount of updates and changes I doubt it’ll die out anytime soon. The population still increased a lot when seasonal events are out as well.
But as an estimate, the only thing that comes to mind when era dies out is when the population for opening gifts gets below 2k players, I believe that’s when we will start to realise that this game is slowly wrapping up its time.