It doesn't have to be an adversarial relationship. It's simply that the workers are choosing to delegate negotiation with HR, much as the owners and managers of the firm delegate it to the HR department. Arguably, this is better off for the company insofar it cuts down on duplication and can bring clarity and consistency to employment agreements.

You don’t think Apple plays hardball when negotiating a contract with a supplier?

It's far from a necessity. Many fruitful business relationships are constructed on a win-win basis rather than adversarial zero-sum thinking.

Whining that “it’s not faaaair” is just that — whining.

If you see someone doing that, let me know. I'll be sure to pass on your message.