UAW is getting good media coverage but if you watch Shawn Fain's live streams (available on YouTube) he mentions numerous unions currently striking all over the US. A lot of them with tens of thousands of workers.

I think it boils down to leaders being self-centered. Being the boss isolates you. Isolation leads to self-centerdness. Being self-centered is isolating. It's a vicious circle.

It's cruel to embue one person with sole decision making power because it's leads to psychosis.