To be clear I have not tested my training or really shared it with persons out side my little circle of shooting friends most of who use the technique in question. My only way to tell is by how I feel and the accuracy I have achieved since my personalized practice. From the start I have said that I work on what's comfortable for me.
Old man once told me "every tub gotta sit on its own bottom" what he meant was nobody has a better read on what works for you than you. Trust only God and yourself when it comes to your life. While the list of pros you know may have proved the method and taught it to the masses and helped them be better, I will still stay with my own opinion over theirs, in a gunfight my training may be enough maybe not, but like I've said from the start to each his own.,