I haven't read the entirety of the page, but I think I got the main points. The artist claims he's in the clear because he paid taxes on his income he made by selling NFT artpieces created by him. However, he gives no indication (as far as I can tell) that he has any kind of information on his customers. Does he have invoices? Did he collect name, address, and phone number for each customer? Did he make a reasonable…
His records and sales are public on the site and easily traceable, far more transparently given than most corporate and celebrity NFT sales that have happened without issue in the last two years.