About this, it didn't get traction but yesterday I submitted this: https://news.ycombinator.com/item?id=39356410
The terms and conditions of .ai domain names include things such as "not asking for investors" (without an Anguilla license to be a bank, broker, public company, ICO, exchange, or gambling site) and "not violating copyrights", both of which are… complicated for a lot of AI-related startups that chose to use a .ai domain.