Even if it were the same guy, wouldn't it be evidence that the NSA did NOT invent it, since that source is a cryptographer not associated with the NSA?

It's just a complete nonsense tweet from top to bottom, for a variety of reasons. I don't know why it's being upvoted, here.

The Gell-Mann Amnesia Effect applies to social media as well.

He shows evidence that NSA employees were aware of this guy’s work and implying they may have made up a similar name. I don’t think that’s racist. The Satoshi pseudonym had to come from somewhere, no?