Getting out and organizing strikes/protests and building third-party grassroots political movements are absolutely great suggestions;

Yes, voting isn’t the only action. As a union steward, I’m well aware. People should use multiple tools, but at a MINIMUM people need to vote(as long as we remain mildly democratic).

It is the absolute weakest tool to actually enact change in the U.S. political system.

It is a very strong tool in preventing down sliding.