This doesnt make sense though. The links go from being twitter.com to become x.com it doesnt turn every x into the word twitter which would make no sense for his xitty plan to force people to say x
It doesn't make sense to push for anyone smart but it's the equivalent mistake as forgetting to check "Whole Word Only" on your Find and Replace function.
And surely they have a mechanism to test it in actual Twitter data, like "run this change and show me 50 random, unique samples." That should be the very minimum for something like Twitter.