To be fair, there are protests around the world about everything from social inequality to datacenters.
It has zero effect on decisions being made. So at some point, people will actually have to do something and not just stand around with banners.
Its necessary since current leaders don't fear the people and in fact are laughing at them.
Actual change comes from people having enough power to say no more. This is a fact, and it's needed in this very special time when peoples wishes are ignored completely.