> Inspired by the Twitter logo, which is made from 13 perfect circles

Compared to that, the new logo doesn't have a circle (segment) anywhere to be seen (unless you consider straight lines as circle segments with the center located at infinity of course), and is simply the "mathematical double-struck capital X" from an unknown but probably pre-existing font (apparently Monotype's "Special Alphabets 4" comes close, but isn't identical, according to https://tweethunter.io/blog/how-to-write-twitter-x-iphone-ma...).