No doubt various TLAs have compiled dossiers on various very important people. It would be irresponsible of them not to. People who have so much power and access are intrinsic security threats, and that’s no secret to the spy agencies.
Of course they might frame it differently. They might say that they compile information so that they can make sure that the powerful person doesn’t get blackmailed, for example. It’s easy to try to phrase things in a way that suggests you’re protecting them, when the actual theoretical goal is protecting us from what they could do if things went sideways.
The DOC will be responding to it in future lawsuits. At least one of those 1300 people definitely didn’t do anything to justify their reaction, they certainly have the time to file pro se, and discovery will tell us what we need to know. Sadly, that will happen years from now.