You may have something there :-) In any event, (a) I was coat tailing on your excellent and insightful joke, (b) I quoted someone else's brilliant wit, contrib

You may have something there :-) In any event, (a) I was coat tailing on your excellent and insightful joke, (b) I quoted someone else's brilliant wit, contributing nothing original, so (c) no matter how people arrived at the idea that my comment wasn't contributing to the conversation, (d) they may be right :-)