Yes.
It came to me late too, that nothing happens without real threat.
The threat doesn't have to be of violence, it can also be of significant disruption.
Strikes work. Upsetting the populace works.
Yes someone gluing themselves to a bridge is annoying when it makes you late to work, but without action like this you'd be working longer hours and weekends anyway and probably wouldn't be able to afford the car you're sitting in.
The suffragettes were not at all peaceful, either.
something it took me a very long time to figure out, like, embarrassingly long, since the way they teach you about it at school avoids this uncomfortable part, is that 'peaceful protest' is fundamentally a threat of violence. people out in the streets holding objects, currently placards, imply later they might be holding something else. it is called a 'demonstration', in the same way that testing a nuclear weapon is a demonstration, it is deterrence through communication of capability and intent