R4D .... great to see you are still in the land of the living ... have you been on holidays ? ... and I trust that the day at the Bend went well.
Without checking my archives I cannot be certain as to just when it came in, but I suspect that the alternative stall demonstration requirement quite predated the 763 ?
Your main point .. that the pprune board promotes debate remains very valid .. I suspect that we all learn quite a lot from these pages.