Right... 
Most people haven't ever done any FoF training with SIMS (or even Airsoft for that matter) so they really don't have a clue (no disrespect intended) in regards to what it's going to be like in a REAL street fight.
My eyes were opened back in the 90's. Back then, in a square range setting, with a 1-dimensional target with no arms or legs, I could draw pretty fast and kill the paper EVERYTIME using the sights, no problem. I thought just because I had a gun and I could shoot pretty well, that I was a real Bad Ass!!

BUT BOY WAS I WRONG!!

In FoF, the MMA guys would take my gun away from me and beat me with it everytime!!!

Seemed like ANYTIME they got within 21' of me they'd usually end up with the gun. That sucked. That's what using the "Front Sight, Press" mentality got me.

My world was rocked at that point.
So, I began looking for other methods and I started shooting from retention FIRST. That's where I devleoped the "Guard" shooting position. That was the FIRST STEP. That's where it all started, and it began evolving from there to what it is today.

Cheers,
D.R.