you POV does match this possible (hypothetical) scenario: while the US might have suspected the virus might have been developed and escaped from a chinese lab,

you POV does match this possible (hypothetical) scenario: while the US might have suspected the virus might have been developed and escaped from a chinese lab, it was considered in the US interest to suppress such an idea and focus on world cooperation in tamping down the pandemic. But now, with the pandemic seemingly over, and shifting geopolitics, it might now be considered OK to let the truth come out despite how angry it will make the chinese government.