This is exactly the sort of joke that I used to make that I wouldn't make now for exactly that sort of reason. Similarly, I avoid using terms like "retarded".

This is exactly the sort of joke that I used to make that I wouldn't make now for exactly that sort of reason. Similarly, I avoid using terms like "retarded". It all feels like shallow political correctness until you realize that there are real people out there with real things going on in their lives.