But a union doesn't have to set a price for work. And the company can often hire outside of the union if they want (many are opt-in for employees). Moreover, t

But a union doesn't have to set a price for work. And the company can often hire outside of the union if they want (many are opt-in for employees). Moreover, the free market still has checks and measures to ensure workers are treated fairly and equally. Unions are just another implementation of that - the only difference is that they're employee run not government run.