Why is good blog traffic important?

If you want to earn money from your blog, then only traffic will not work, but it is very important to bring a certain amount of good traffic to the page of your blog, otherwise you cannot earn well from your blog. That is, if the more traffic comes to your blog, the more money you will earn from your blog. Therefore, starting a blog is not enough, but to earn money from the blog, it is very important to have a good traffic source.