Exactly, those who approach this with it's farfetched, sure, it may be...and they may be correct.
On the other hand, all the turmoil this thing has caused may be directly the responsibility of China, they in turn, shouldn't get away with this.
It smacks a bit of a biowar from all I'm reading. That's not to say, China did this intentionally BUT, they are the ones that apparently have unleashed this on the world. We are all going through this because of China.
If the virus is "artificial" and not by some act of nature, that really ratchets up responsibility, that's up to the experts to decide.