Shifts come and go. Diseases can he dealt with as long as there are doctors and even without them they may be harmless. And I can kick the ass of whatever Third Party tries to attack. But if I'm sent back I won't be able to come and feed him.

And you're the one who worries that your world is going to be thrown into chaos and despair if the assholes running it are overthrown, ignoring that there's a possibility that if the good people like you actually stepped up and stopped ignoring them the change could actually be for the better. I honestly doubt that those assholes being overthrown is more probable than you falling into the ocean and drowning.