Surely if it was intentional they would have had a plan to deal with it that’s better than offing people and blaming America? People were experimenting with really bad stuff and it got out. CCP couldn’t contain it or direct it...just my 2 cents.
I also think for the cabal it was convenient.
And on reflection the chicoms decided that there was no real downside for.them for the international fallout, economically, geopolitically, militarily, or domestically.