Those are assumptions unsubstantiated by evidence. Fact remains that public disclosure of the virus was delayed by 1 week as it was unknown type(novel coronavirus). After determination of the virus was confirmed, it was sequenced shared with the world less than 2wks later, w/subsequent lock-downs shortly after.
Even with this data US and other western countries dismissed it as non-threat for over 3mos while ridiculing China for 'draconian measures' and violating human rights.