Earlier quoted context omitted.
I'm not guessing, I'm summarizing my personal experience with anti-GMO people. You're guessing about my experience and motives though. Also there's a lot more to GMO foods than yellow rice, so it seems you're proving my point quite nicely.
I am well aware that there are many other uses. That is the problem. Uses that are beneficial are the rare exception.
Maybe you don't think the benefits outweigh the risks, and that's a valid question.
However, the concept obviously has tremendous potential. All the variety of life is after all genetics. Improvements in nitrogen uptake could save tremendous amounts of fertilizer and help the environment, for example.