Against.
They are unnecessary. The only motivation behind them is purely for profit!
You can generate greater yields and higher quality produce in different manners, ie polycropping or permaculture.
We need to grow more at home and sop relying so heavily on factory farms for our food needs!
GMO's are fucking with he natural ecosystem and giving power to scumbags like monsanto.
They are too willing to experiment for profit without knowledge of the consequences. They pretend it is for good of humanity, when all they give a fuck about is their investors and bottom line.
That's my view anyway. Would love to be proved wrong.