1 No I don't think that genetically engineered food should be labeled because people will see it as a warning and some GE foods are more healthy for you than natural food.
2 People will be aware of what they are eating and will take precautions for the unhealthy GE foods.
3 People might not eat the foods as much and then their income will decrease. this is bad because the GE companies hold 2.5 million american jobs in each 50 states.
4 Yes because they want to know what they are eating and if it could hurt them or not.