There are a lot of bad actors in the world, not just the US and Western empires. You can find honest politicians today, but you'd be hard-pressed to find an honest government anywhere.

Solidarity is one of our most important weapons against the degeneration of political systems, and the solidarity of the Arab Spring is what scared multiple governments into suppressing it.

Similarly, Corpgov is not all that scared by the actions of Mangione. What scares them is the public solidarity behind him.