If it's worth saying, but not worth its own post, then it goes here.
Notes for future OT posters:
1. Please add the 'open_thread' tag.
2. Check if there is an active Open Thread before posting a new one. (Immediately before; refresh the list-of-threads page before posting.)
3. Open Threads should start on Monday, and end on Sunday.
4. Unflag the two options "Notify me of new top level comments on this article" and "
I call that the pragmatic intuition. It is the heuristic to disagree/distrust anything not grounded in physical reality. Some people, particularly mathematicians, lack this intuition. Others, particularly seasoned engineers, have it in spades. I think it is a useful heuristic to have, particularly if you want your beliefs to reflect the real world.