Denny, got it and glad you published it. I've pointed several different varieties of handguns at people and never had an issue with sight picture. If I thought this was a viable teaching point, I'd have the students lock the slide open or yellow flag the chamber.
Heck, I get the hee-bee jeebbies pointing my blue gun at folks.
You guys are doing great things with SWAT. Used to be a quick read for me but not anymore. I've taken notes from several of your articles. That's a first for me.