Nobody likes typos. They look like misspellings, only it’s usually obvious they are mere oversights, the result of tapping the wrong key. It happens a lot when writers rush, and it happens a lot less when writers proofread their work before submitting or publishing. Most writers are going to miss a typo every now and then. Nobody’s perfect. However, when you read a writer’s work regularly and typos are just something you expect every time, that’s a sign of poor or nonexistent proofreading.