Every SARS2 Strain is Man Made?

Remember the Omicron lab leak theory? No Joke: Is Omicron Another Lab Leaked Virus?. Theory then was based on Omicron seeming to be mutated from a year-old strain...the kind of thing you'd expect to see if a researcher was working with an older strain of the virus.

A new Japanese paper claims all the SARS2 strains are manmade: JAPANESE SCIENTISTS FIND INDISPUTABLE EVIDENCE THAT ALL COVID VARIANTS ARE MAN-MADE

This has only dropped recently. Perhaps it will be debunked. I haven't seen anything yet. If not, this may never get the coverage it deserves.