Not really.
Link me to the papers/studies that prove folks that have had these gene therapy treatments are any less likely to cause the mutations, than folks with unmolested immune systems.
You are just repeating propaganda, that isn't based on any known research. It is just a hypothesized theory.
The theory behind these gene therapies are based on the human immune system. . . thus, it seems logical, that there is just as much chance that mutations would derive form those who have had these treatments, as those who haven't. If anything, from what we know of colds and flues? I posit that the variations/mutations came from those who have been vaccinated.
Do you have studies that prove otherwise?