Many of them have taken independent shots at Trump
Then, there's the DOJ clique - Andrew Weissmann and friends
Now, we're looking at the NSC clique - Ciaramella, Vindman, etc
There's not some grand conspiracy behind the scenes, because there doesn't need to be
Every clique hated Trump so they all started working against him at various points in 2016-17
"Grand conspiracies" rarely happen because coordinating large numbers of people in secret is incredibly difficult
If discretion is required you can really only work with a few people that you know well