This is what is so frustrating about Trump---- people's TDS reactions to him. He is a fucking retard, so there is not need to counter his loony assertions. If you do reflexively and shut down all mental processes of the topic he spouted about that is not good.
According to experts who have analyzed the genome of Covid-19 it has not been
"splice engineered" because it does not have the tell tale signs of that.
But could it have been a case where
for legitimate reasons of study strains 1,2,3 and 4 of various coronaviruses were placed alone or in combination in tissue culture of species A, B, C and D? Then let the virus scramble itself up and test "gain of function" it may have acquired.
https://www.freethink.com/articles/gain-of-function-mutation
Most of what it took for the black plague to kick off was the loss of a protein in the ancestor strain that made a slimy mess in the lungs. Then the bacteria could get coughed out more easily and spread much more quickly.