The Reddit flair system was used in conjunction with AutoMod to silence much of the community. It was an insidiously ingenious form of shadow banning.
Over time the community ground to a complete halt. Everyone in the city talked about this.
Currently, r/MistralAI, r/LocalLLaMA, r/ChatGPT, r/OpenAI and r/grok are all run by the same person, who tries to migrate their communities to Discord and X instead.