That’s not true. There are a few other free TLDs. I think five total?

Thats not a rebuttal. The .ml instance is run by Marxist-Leninists

Thanks, I know what it stands for but I am trying to explain why that particular top-level domain was picked for those lemmy instances

I think it’s because ML is a popular shorthand for ‘Marxist-Leninist’ since they mostly seem to be communist servers