Antagonist: If my ideology is enacted, everything will be better!
Liberal Protagonists: oh fuck how will we deal with this, I have no arguments to defend the status quo
Antagonist: just kidding, all that ideology was a trick, I'm Just Evil™
And then they can kill him without thinking about anything at all. Happens all the time.
Off the top of my head is legend of korra (I know im 2 weeks late for that discourse) the Black Panther movie, and even Pokemon Black/White have the same themes
They just killed him because objectivism good, egalitarian (technocracy tho) bad
And in the sequel, it's the same thing but also confronting public reliance on supers is not worth addressing because the person bringing up the argument is secretly evil dun dun dunnnnnn