Can grifters sometimes be correct? Yes. On a topic that happens to be culture war catnip? The odds reduce greatly.
1. The lab was doing gain of function experiments on coronaviruses
2. They wore limited PPE while working with these viruses
3. The first reported cases were near the lab
then I think there's a high likelihood the virus came from the lab. I don't know why this would be controversial.
Can grifters sometimes be correct? Yes. On a topic that happens to be culture war catnip? The odds reduce greatly.