> tell me how not having any union is better for all than an imperfect union.

Obvious answer: No dues. Not commenting on whether that's a good tradeoff, mind, but it's an answer.

Yes.

https://www.nytimes.com/2020/02/18/technology/kickstarter-un...

https://arstechnica.com/gaming/2020/01/game-dev-union-leader...

Both articles indicate that unionization has flopped. The broader question is - what is the purpose of unionization in the software industry? You want more money? You want ping pong tables at work?

Starting one is fairly risky. A better question might be, how many people would join an established one.