I can't vote anyone out alone, so groups/ideas like No Kings seek to collect people around some general organizing principle. Involved people are more likely to vote and it's possible that you highlight the issues for people who aren't aware or energized enough to vote.

Plus, protests can influence other people in government, outside of elections.

Keep an eye on the Texas Senate race and what happens if Talarico wins. Paxton has granted himself the ability to investigate election fraud as the sitting AG.

Let's see if the will of the people is honored, or if the king steps in too.

There was an attempted self-coup last time he was voted out. I think it's pretty reasonable to be extra reactive to anti-democratic tendencies from him.

Let me ask you this: what is the purpose of a protest?