I don't! Why? Because in my more than 25 years of experience training other people to use firearms I would say that better than 90% of them could not while training, and I strongly suspect cannot now, speed shoot with a pistol. Knowing how to grab a, 'flash sight picture' and being able to speed shoot well is even more rare than being a good wing shooter with a shotgun.

Look at the Wikipedia article referenced in the OP's first post - What a convoluted intellectual mess! Anyone who truly thinks that he's going to learn the fundamentals of speed shooting by reading an article like that would be better off taking up knitting. (He'll get farther!)

I've worked and practiced with several advanced IDPA shooters. I KNOW what it takes for these guys to become faster and faster with their pistols, as well as to MAINTAIN that edge. I, too, have had to suffer through, 'breaking the mental and emotional barriers' of my conscious mind. (Something that, without BOTH continued regular practice and reinforced belief is very easy to fall away from.)

Apparently I was a little too oblique in my above reply; so, this time, I'll try to keep things more simple and to the point. Albert Einstein once said that, 'All knowledge (Read, 'skill') begins with an accurate definition of terms.' Until you know AND understand the terms (the parameters and idiosyncrasies) of the problem you're NEVER going to be able to genuinely master it. Neither should it be forgotten that mastery, and retention are NOT the same thing - Especially when it comes to a, 'naturally depreciating skill set' like pistol shooting.

Simple enough?