Treatments like his is why they forced the massive human trials with the viral vector vaccines. Once they have the viral vector (an adenovirus delivering DNA to the nucleus) under control, they can then realize their transhumanism dreams. Until now they have just modified genes to cure hereditary diseases (example: https://www.nature.com/articles/s41434-019-0085-4), in the future they will create ideal serfs, knock out aging factors in their own genes, and create some super soldiers.