> if their protest escalates into significant economic damage or other types of harm. That's when it graduates from protest to terrorism.
First of all, look up the definition of terrorism. It’s not “thing you think is bad”. Pretty integral to terrorism is violence. No violence or threat of violence, no terrorism.
Second, all protest causes economic harm - successful protest causes significant economic harm. Your line of thinking would have you condemn friggin’ Gandhi, a globally renowned and much celebrated peaceful revolutionary. His entire non-violent protest movement relied heavily on inflicting economic damage.
E.g. https://en.m.wikipedia.org/wiki/Salt_March
