It's no longer an extraordinary circumstantial claim. It might never have been because this kind of research that very well could cause a COVID pandemic was being concealed by the very people that decided very early that there was no question the origin was natural. They were performing risky and highly similar research and they made huge contradictory statements that conflict with this leaked evidence, and they are very well connected to each other. You are going to need extraordinary reasons why these people don't deserve an investigation into what they had been doing and what they did know that wasn't being shared.