It is just how their CDN handles hot linking. EX:When I just posted that link, it showed in the reply. Who the fuck is redirecting my link. That should tell you all you need to know. If it's being censored, it's probably true.
CDN Linker with Secure Token
This article helps StackPath SecureCDN customers prevent hotlinking, a form of bandwidth leeching, by applying a secure token on content served from the StackPath SecureCDN. Hotlinking is a form...
support.securecdn.stackpath.com