Even as companies like Monsanto are genetically engineering plants to use less water and resist crop-destroying pests, activists are challenging the safety and sustainability of GM foods. Another important myth surrounding GM foods is that they are somehow unsafe for human consumption. But again, there’s no evidence that animals that eat GM foods pose any health risks to us. It just hasn’t happened.”So if GM foods are safe, what are some of the other issues that people complain about when criticizing agribusiness companies? For one thing, GM opponents often argue that the planting of GM foods is not a sustainable agricultural practice.