After he finds out that S.H.I.E.L.D. is using the tesseract to make weapons,
we never see him blindly trusting the powers that be again.
“For once, we're way ahead of the curve.”
“By holding a gun to everyone on Earth and calling it protection.”
We see the criminal justice system fail to prioritize justice at every level.
And so, neglected by the system and ignored by the powers that be,
Andy decides to help himself and his fellow prisoners on his own.
Then in season 3,
we learn that Rick wasn’t actually sacrificing himself for his family,
he was just doing the usual -
“You came to rescue them.”
“I came to kill you, bro.
That’s not even my original Summer.”
“Oh my god, he’s not bluffing.”
trying to disrupt the powers that be
by making supposedly meaningful things meaningless.
“Watch closely as Grandpa topples an empire by changing a 1 to a 0.”
If Vision finally became effectively human in that moment, the fact that Thanos used
the Time Stone to undo Scarlet Witch's efforts and kill him himself is even more devastating.
Ultimately, if the powers that be decide to rebuild Vision, it could potentially undermine
his whole story arc, and diminish much of the meaning behind his death.