George RR Martin whined about the absence of Maelor Targaryen in House of the Dragon before deleting his blog post.
George RR Martin's HOUSE OF THE DRAGON Drama Explained
George RR Martin went all out with his rant about the changes made to House of the Dragon. The writer addressed the problems in the episode Blood and Cheese, the fact that Maelor Targaryen is missing, and even revealed a possible spoiler for season 3.
The entry focused on the possible repercussions of Prince Maelor's absence, particularly on the important events that will take place in the upcoming season.
There could have been a million things going through George RR Martin's mind to create a long rant about the changes to House of the Dragon only to regret publishing it for the world to see. But this is the Internet, and everything posted here is copied a hundred times.