Nah, I'm not "that guy." I drive my cars to shows dirty. I try to put a few thousand miles on each one per year, which makes it too much of a pain in the ass to clean. If I did detail it all up they would be dirty again in no time. I try to keep the inside and the paint clean. What happens under the hood stays under the hood.
Plus, I just have way too much to do. Full blown home renovation and 3 classic/project cars and a very busy career take up way too much time.