Members can vote against those changes. They can vote in new leadership. Or they can stop paying dues and / or join a different union.
In my last workplace, there were a choice of 3 different unions I could have joined. I picked the one which aligned best with my needs, took part in how it was run, and could have stopped if I thought they weren't acting in my best interests.
In my last workplace, there were a choice of 3 different unions I could have joined. I picked the one which aligned best with my needs, took part in how it was run, and could have stopped if I thought they weren't acting in my best interests.