Check out any thread on twitter from a respected medical researcher or scientist who provides any evidence that contradicts the prevailing "wet market" COVID origin theory.
I'm confused - are you saying it's propaganda to go against the wet market theory? Because the wet market theory is so childish - like saying the sun goes to sleep at night.
Propaganda doesn't necessarily always operate in the direction of the creators most obvious interests, there may be propaganda pushing multiple conflicting narratives all originating from the same source. Criticism of the wet market theory might be valid, but could very well be propaganda simply trying to muddy the waters.
That's the RT/Sputnik tactic: throw out dozens of absurd theories and see which ones catch attention/stick and then double down.