I think in the US you would see this if people felt like they were choosing between dying and dying. If it was die in a riot or starve to death or die of exposure for example. Right now it’s suicide by cop or pretend everything is fine. I think if the US didn’t have insane violent thugs in surplus military gear driving armored vehicles as law enforcement you would see a lot more “action”. The math just doesn’t add up if you know acting this way will likely end up with you dying.

there aren't quite enough politically motivated suicidal people for that to happen yet

Despite everyone saying they want to die on the internet they don’t actually want to die, hope this helps