A prediction (based on decades of coding):
There is some code - somewhere deep in the zillions of lines of X(Twitter) code - which absolutely and wrongly depends on the literal string "twitter".
And, as the rebranding continues, it will fail, spectacularly.
7/24/23
#TwitterX
#X

@frankp I'm not seeing a whole lot of changes, yet. The bird is still there. Twitter Blue is still Twitter Blue, Tweets are still tweets. Twitter for Professionals is still Twitter for Professionals.