By censoring Luigi, they are bringing more awareness to the fact they are afraid of Luigi. The Verge already published an article about the changes, thus bringing more attention to it. Lol.
theyre a private company, they have no obligation to keep things uncensored. meta censors pro Palestine and queer content all the time. free speech does not apply to nonpublic forums.
And it's not like this is the only Luigi in the world. I'm not about to promote a pizza place called Luigi's because neither am I on reddit nor do I know such a place but if it wasn't for these two reasons, there would still be a third one