That’s not gonna happen.
Perseverance is basically on autopilot all the way to the landing. Even if someone ordered everyone out of the JPL control room, Perseverance will land on its own, no interference required from the ground.
Now, if the government ordered Perseverance forcefully turned off...then, we have a problem. Even liberals who love science will go ape at that, maybe even call for Xiden’s head.
You evidently have more faith in Liberal common sense then I do..