Well if you didnt want to cause a stirr you wouldnt of responded to him. Simple fact is you did, and those words came right from you.
I bring your attention to point number 4.
In your message you showed absolutely no sign that you were using sarcasm (ie: no emoticons or other phrases commonly used to say you are being sarcastic). Maybe you will learn for future times?Dont Use Sarcasm - An exaggerated message intended as sarcasm can be taken literally by those who read it, and confusion or arguments may arise.