Wherever you live, you should contact your government representatives and regulators and put a spotlight on this issue for what it is--monopoly abuse of power.
Grassroots efforts are great and it is good to let your friends, family, and associates know what they are doing and why it is wrong. However, government regulation of this abuse is needed to stop it by force of law.
Are they? Is there any evidence those companies support the proposal? I haven't seen any statements to that effect, but I might have missed something.