Well yes, a union is organized democratically so you can vote on what you support if you're part of one. The problems you identify are central to all of democra

Well yes, a union is organized democratically so you can vote on what you support if you're part of one. The problems you identify are central to all of democracy: what if you lose the vote? Then positions you don't support will be supported! Decisions made by the majority don't obey the will of the minority! So your solution is to eliminate the vote altogether and give away any voice you have, since you might not get everything you want -- not have unions at all; to reject any democracy altogether, and instead let a tiny few wealthy oligarchs make all the decisions. The alternative is your work goes to support whatever the executives of the company want, which is usually explicitly the opposite of what is good for you since your salary and everything that is good for you costs the company money. The profits from your labor will go to efforts to automate your job out of existence, they will go to efforts to lobby to take away all of your rights and protections, benefits and bonuses. This is currently exactly what happens in every non-unionized workplace.