Beginning with rudeness is no way to start what could be an honorable discussion.
You have absolutely no knowledge of other responsibilities I have. Is it possible that I had other meetings scheduled, deadlines to meet, folks to visit in hospitals, family members in need, and/or a host of other important things to do?
It was rude of the way you left in such a hurry without so much as an Ill be baaack! I saw you posting on other threads and thought maybe you were dissing me.
You have absolutely no knowledge of other responsibilities I have.
Hey, no problem. I thought you were back in the hunt.
Take as much time as you need. I look forward to your studied response on the topic at hand and passage in question.