For what it's worth, Coinbase must "allow" those discussions by law in the US. In my mind, that's the kind of thing you say in a staement like this to protect yourself from a lawsuit.
I doubt Coinbase thinks employees advocating around pay/conditions are desirable for the company.
> Of course, employees should always feel free to advocate around issues of pay, conditions of employment, or violations of law, for instance.
Now, if he really is trying to diminsh the possibility of that happening, I don't know.