Okay, let's untangle what you posted.

Why are conspiracy theorists trying to give credibility to Pavel?

Who is a "conspiracy theorist" and how are they trying to give credibility to Pavel Durov?

Every social media platform was pressured by agencies, US, UK, FR, GR, RUS, CHI, .. but bcz he said it on Tucker he must be okay.

Well, telling people about it is okay, and that is different from the others, but that's far from "must be okay."

Meanwhile -- VK was well known to be a gov sieve.

Tell us more, please.

This is just more of the Discredit [Fill in the Blank] of anyone disliked by whoever is controlling the shill army.