This is a non issue. The first amendment says "Congress shall make no law abridging the freedom of speech". It's a limit on government. CloudFlare has no duty

This is a non issue. The first amendment says "Congress shall make no law abridging the freedom of speech". It's a limit on government. CloudFlare has no duty to provide 8chan hosting, and their denial of services is very unlikely to be considered discrimination against a protected class. System working as intended.