This is an important example of why to avoid Cloudflare. If your website gets popular, your website's images will be replaced with the image: "This content has been restricted. Using Cloudflare's basic service in this manner is a violation of the Terms of Service." and your website will break.
https://www.cloudflare-terms-of-service-abuse.com/streaming....
This is on the Business tier too, not the Free one.