… That is, if you want to approve them.
It’s true that comments on the Internet can be a snake pit of evil. The respected magazine Scientific American did an article on this: “Why Is Everyone on the Internet So Angry?”
However, comments are also a valuable way to exchange ideas and get feedback on your posts.
As administrator of your blog, you have the power to approve comments on your posts (or not). You can use your dashboard to check for comments (and read them before approving). You can also respond to comments.