They change corn, so that if a mouse eats it, it will die. That doesn't make me salivate to eat it.
That is frightening. Have a cite for that bit?
Genetically modified organisms (GMOs) are often engineered to be more resistant to pesticides or produce pesticides themselves.
From... GMOs and Pesticides: Helpful or Harmful? - Science in the News - https://sitn.hms.harvard.edu/flash/2015/gmos-and-pesticides/This is just the first website that popped up. If you google it yourself, you will thousands of websites that mention this.