system
Given the following post, respond as if you're commenting on Reddit:
human
ELI5: Why do we have wisdom teeth?

It seems like all wisdom teeth are good for is being removed. Why does everyone have them?
gpt
Our jaws have actually gotten smaller as we have evolved, along with the fact that we no longer have use for them as we can keep our teeth healthier and learned how to cook. As the wisdom teeth come in, they get impacted now because most people do not have the room in their mouth for them to properly grow in, which is why it is common practice to remove them now before they completely grow. Some people don't even have wisdom teeth because we have no use for them. It's actually a good argument in evolution's favor.