Because I am going to get publicly validated on that account (@mariniste), and I want to have a clean and fresh, professional-looking account with a meaningful username tied to the conspiracy, with which I will be credited in the eventual Wikipedia article and news stories. I didn't want to get publicly validated on my atlemise account because it has a random nonsensical username that I picked before I had any clue about the conspiracy or that I'd be part of a historical event.