If only there were some way to actually test these various sighting systems maybe by having shooters of differing skill levels firing at center of mass humaniod targets under some kind of a timing system.
We could then see a time reference for first shot on target, time between multiple shots on target as well as time for multiple target acquistion, proving the value of speed in the sighting system.
Of course accurate center of mass hits would be rewarded in some nature proving the value of accuracy in the sighting system.
It would be benifical if this testing could be conducted over a period of 20 or more years.
Then perhaps we could get 300 or so qualified shooters of various skill levels, choosing any sighting system they wish, to gather in one place and conduct the testing on identical target arrangements including around and under barricades, prone, kneeling, low light conditions, and various distances.
Maybe then we would be able to determine, among other things, which sighting system was most efficient at making holes center of mass quickly.
On a personal level, many years ago I tried "Big Dots" on a Glock that I was campaigning.
I absolutely loved them.
In fact so as not to damage the little buggers, I took them off, placed them in a ziplock, and put them in a drawer in the garage where they remain unharmed to this very day.
