> No, they couldn't, because unless you bargain collectively, you have a lot more to lose in these negotiations, then your boss does. You derive 100% of your income from your employer. Your employer derives ~0.01%-1% of their income from you.
You derive 100% of your income from your union membership, which is a mandatory term of your employment. Your union derives ~0.01%-1% of their income from you.
(It actually derives even less than that, because it operates as a syndicate representing workers across multiple employers).
You derive 100% of your income from your employer. Your employer derives ~0.01%-1% of their income from you.