> An employer in the US can’t change a salary at will either. Since when? Without a union or the ability to afford a lawyer, your compensation is entirely up

> An employer in the US can’t change a salary at will either. Since when? Without a union or the ability to afford a lawyer, your compensation is entirely up to your employer's whim. Contracts are only useful if you can afford the time and money to fight for your side of it and also know you need to. And many classes of jobs don't involve employment contracts in any way the helps the employee (think service industry, etc.), the employers for those can do basically anything they want, anytime they want.