I'm prepared to accept that experienced activists probably understand what's effective better than I do, but I've never understood how this actually works in th

I'm prepared to accept that experienced activists probably understand what's effective better than I do, but I've never understood how this actually works in the case of doing very annoying stuff like blocking streets. sure, it gets people's attention, but if they don't already care, why would you expect their solution to be "right this injustice" rather than "get the police to clear these people out of my way"?