Look, the thing about a union is that on one hand, it's there to negotiate working conditions under capitalism and like, I agree with you that this is not an ultimate goal of any sort. On the other hand, once you're IN a union, you're part of an organized, mobilized bloc of labor class ppl working together towards a larger goal. Radical unionism, which is what anarcho-syndicalists are sometimes called, is about taking that organized bloc BEYOND your workspace and using it to do anticapitalism.
