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TwitchySeal reaction is probably best. Without hard proof we should proceed as though this were a natural interspecies jump. The fact that it is well within the realm of possibility that this was was an engineered interspecies jump requires investigation at this stage and perhaps suspicion but not accusation.
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A Bat with coronavirus+SARS got bitten by a snake with coronavirus+AIDS which then ass-fucked a pangolin with coronavirus+ebola. Then some Chinese ran over it and took the carcass to the Wuhan wet market and sold it. That's the strongest possibility to Twitchy because MSNBC said so, but if they allow for some other explanation in the future he might entertain it.
Forgive me for NOT adopting Twitchy's philosophical methodologies (rightly referred to as a 'reaction' by you.)