There isn't always a good alternative for a service that arbitrarily denied you access. Facebook Marketplace has replaced classifieds in many places, and being denied access to the service can negatively impact people's lives.
> Your request has been blocked.
> If you have questions, please contact us.
They are so huge they should probably be classified as a public utility of sorts. This is a tough pill to swallow for this site since it could possibly derail the tech gravy train.