Trump Russia isn’t a conspiracy theory, it’s the finding of 17 intelligence agencies.
There are public documents explaining the current findings. There are independently verifiable claims. The investigations will make reports public. The investigation is being carried out by agencies and committees that have carried out similar investigations before. It isn’t being done any differently than other investigations by these groups.
It isn’t a conspiracy. It’s not happening in secret. It’s a legal investigation into possible criminal acts and possible obstruction of justice. It’s a perfectly normal function of these groups for basic government accountability to the public they serve.
The idea the media, the deep state and the prior administration are conspiring to fabricate evidence of colusion for some unknown nefarious purpose; that’s a conspiracy theory.