I think the key distinction here is that Muzzey used ContentID responsibly. What bothers a lot of people is when ContentID is hooked to a nastygrambot. It helps

I think the key distinction here is that Muzzey used ContentID responsibly. What bothers a lot of people is when ContentID is hooked to a nastygrambot. It helps that Muzzey is in a position to make enforcement decisions and is doing his best to do so responsibly. It's partly the tool that people object to, but also I think many object to the widespread abuse of it.