Because when we ingest things that have been biologically modified...we don't know or yet fully understand the changes that might occur in us over the long term. I call it unintended consequences. Or maybe society is a guinea pig. Eat it if you want. I'll sit back and watch while everyone get's unkowingly sterilized.
Mostly. There is still a lot of discussion/disagreements about the hazards it presents and the harzards various ways of preparing have on our bodies.I would say that we know the effects of natural meat at this point.
I don't see how you get " Nature gave us the ability to create " . unless you're not thinking of Nature , as the planet we live on