Annoying white lefties
Check out this annoying video of white anti-war activists trying to take Obama's promise to end the Iraq war "to the bank." So there they are at a local branch of Bank of America making a pest of themselves, to what purpose? Are they convincing anyone to join the coalition? Or are they just persuading people that anti-war lefties are annoying?
You never see black people in this kind of protest. You look at the civil rights protests, or the free South Africa protests, or simply those black people who joined the Medicare for All National Day of Action, and you see protesters conducting themselves in a dignified way in a manner calculated to bring others to their side.
Protesting is not about acting out. You have to consider your audience. You have to define who you are trying to reach and how to communicate to them. It is ok to make yourself inconvenient, but only for a purpose.