$3M/month. M as in million, not mille [2]? Mille is still commonly used in accounting [3]
$36M/year is $164.61 per registered domain per year.
Porkbun [4] offer .ai $72.40/year. Even 3 letter domains don't seem to have premium pricing.
Something in this unsourced tweet literally doesn't add up.
[1] https://domainnamestat.com/statistics/tld/ai-TLD_ID-1236
[2] https://www.merriam-webster.com/dictionary/mille
[3] https://corporatefinanceinstitute.com/resources/fixed-income...
[4] https://porkbun.com/