They are realizing that there is really nothing stopping a mass migration (especially if the transition can be made to be easy and  seamless). So they freaked out and banned external links lol...🙄

The recent "linktree policy" was a panicked reaction to the realization that the Twitter platform "moat" is really a social construct. The company did a brilliant job in the early days to build the "checkmark" validity, but at the end of the day these platforms are just platforms