You know, @karlo, that’s a pretty outrageous assertion from a PSIA level 1 ski instructor about a seminar presented by physicist, level 4 APSI examiner, attended by 4 demo team members. But you’ve never had a problem of being introspective.
adhominem and pleas to higher authority are the death rattle of a failing argument.....
credibility was lost when the use of "physics" based on subjective terms was first tossed around. Now the issue has grown. I suggest this thread end gracefully.