They're deliberately playing dumb, though, in a way that was probably pretty transparent to the judge.
https://www.politico.com/news/2023/08/15/special-counsel-obt...
That conversation refers to:
> Among the data the search warrant commanded Twitter to produce: Accounts associated with @realdonaldtrump that the former president might have used in the same device.
They know that doesn't mean "anyone who @mentioned him publicly".