The point of autocompletes is to make it easier for you to search by prompting you to choose a readymade option that might be relevant. They happen to use what

The point of autocompletes is to make it easier for you to search by prompting you to choose a readymade option that might be relevant. They happen to use what other people search for, but that's an implementation detail. It's not that Bing is showing you the uncensored truth about what people search for, it's that it's prompting you to search for really bad things.