would he, as the God curing the hiv, be more or less moral than the God giving the hiv?

The power to enact change is not a 100% bad thing. It only looks that way because of rampant corruption. There are good people in the world too. It is the good people who should be powerful. Keep in mind he is not developing something for a monsanto patent thicket; he is curing diseases without it being tied to nor profiting big pharma