Are you sure it won’t apply? As far as I understand, it’ll apply to all devices with Google services installed. Which includes most ROMs, as well as non-Google ROMs after you manually install gapps. Is my understanding off?

It’s very likely that no amount of negative feedback will change anything. Why not waste some of their time anyway? Write to them, call them, spread the word. This is the only thing we can do. Even if it goes through regardless - at the very least we can make it as unpleasant as possible.