It's so asymmetrical though. The amount of effort it takes to spam someone is vastly lower than a complaint. What would be great is a third-party site where yo

It's so asymmetrical though. The amount of effort it takes to spam someone is vastly lower than a complaint. What would be great is a third-party site where you can somehow document/log unsubscribe requests. Then, if the company still spams you, document that. A few hundred users is pretty good proof, and the company can't just argue a glitch. It'd pay for that.