Trump as POTUS doesn't control, only influence, what happens to the SS administration, he only get to veto or approve congressional legislative...
Also, I don't think ANYONE said they are taking away your SS, (sounds like a dem talking point), but I digress...
At some point SS will need to be changed and address the fraud, I seriously doubt anyone over say 50 years old will have their benefits adjusted down...
Indeed, it does.