system
Given the following post, respond as if you're commenting on Reddit:
human
ELI5: The controversy surrounding GMO.
gpt
For a long time, people have been breeding plants and animals to be better for humans - cows that produce more milk or tomatoes that are tastier or more durable. A while ago, scientists figured out a way to do this much more quickly, so they can achieve their goals faster and more efficiently. Some people are afraid of this new way because it is strange and different, and others are concerned because many of the groups doing it are big corporations who aren't necessarily acting in the best interest of everyone else.