The question wasn't "union faction" versus "shareholder faction." It was about individual factions within the union. The default behavior for any organization

The question wasn't "union faction" versus "shareholder faction." It was about individual factions within the union. The default behavior for any organization is to crush minority opinions. It takes active and continued effort to keep minority voices alive. (This is also a problem on the shareholder side, of course. I've personally witnessed minority shareholders get completely shafted to benefit the 51%. And to be clear, the existence of the problem on one side does not ameliorate or justify the existence of the problem on the other side.)