The labor strikes of the 30s were a almost a century ago, against a different kind of enemy, with different objectives. That was to obtain better wages, conditions, and workers rights. That has to be directed at the corporation that supplies those things.
But today, our first, and biggest beef is with the government. If we want to force them to react, we have to hit them directly. And remember, it's MAGA, and they are really stupid. They require a 2x4 across the face, just to get their attention.