Okay, fair enough. But I'm sure I can find people who interact with others frequently and still don't see them. In other words, it's possible that the groupings would not be recreated along the same lines by someone who had never been exposed to Keirseyian theory, but that someone who has might start seeing people fall into those groupings. They might create more than 4, or fewer than 4. I need a way to test that idea, though, and I'll let you know as soon as I come up with something.
I'm determined to either prove you right, or prove you wrong now, as much as you dismiss my ideas on the basis of "not interacting with people enough." If arguments won't convince either of us, I guess we'll need measurable data and repeatable experiments.