The delayed websites include X’s online rivals Facebook, Instagram, Bluesky and Substack as well as Reuters and the New York Times, all of which Musk previously has singled out for ridicule or attack.
These companies either need to rip the bandaid off and leave Twitter or, at least, start establishing themselves elsewhere and encourage their users to find the content wherever that place is.
This is definitely already happening. It'll be slow, but both my wife and are work adjacent to marketing for larger companies and "well twitter is a shitshow, what else can we use" is such a constant refrain it's basically canon now.