You're misunderstanding why they do those things in the first place. You're referencing real activities here, how many of those activities you references people refused to take responsibility for doing?

Look at photos from these events you refer to, people are proudly holding banners and signs here, not trying to be anonymous and flee from police and intelligence services.

Have you never participated in political activism yourself, and you have no clue why you'd do those things you cite?

It's a spectrum. You derail a train and nobody gets hurt? Shout it from the rooftops! You derail a train and people die? "Wasn't me, guv."