Why do I often see questions with random text?

Question

Toaster

I often see questions here, the title and body of which entirely consists of typed characters from the ceiling. I look in the history of changes - there is nothing. And interestingly, they have adequate answers. What it is?

Answer 1

The author decided to delete the question, but could not, because there is already an answer. For such a candelabra it is necessary to beat.