Scientists who signed a paper claiming a natural origin turn out not to have believed it themselves.

Matt Ridley and Alina Chin:

The controversy over the origins of Covid-19 refuses to die, despite efforts early in the pandemic to kill it. It was natural to doubt it was a coincidence that an outbreak caused by a SARS-like coronavirus from bats began in Wuhan, China, the only city where risky experiments were being done on diverse and novel SARS-like coronaviruses from bats. The Chinese Communist Party did its utmost to dismiss such suspicions, but so did a group of influential Western scientists.