John believes in an aiming system that does not work and has been scientifically and conclusively proven not to work, where the user of the system just bears down on their shots more and ultimately subconsciously just aims instinctively and makes the aiming adjustment corrections using experience just like every other non system using person. Lou has explained this to John many times. John is not a science guy and doesn't get it and thinks that it actually works by magic in some other way other than the user ultimately just making subconscious aiming adjustments based on experience.
They have argued about it on several forums for years, maybe like 8 years. Lou points out that his aiming system is nonsense and doesn't at all work the way he thinks it does, and John makes a drama out of it every time screaming from the highest roof top he can find. Rinse repeat. Add in some forum bans here and there. Add in tons of barking back and forth over the years, mostly from John saying that with his aiming system (which has changed significantly and many times over those years by the way) you won't ever miss a ball (ok I'm exaggerating a little on this one but not by very much) and that with his system he would wipe the floor with Lou if they ever matched up. It took years but they finally made the game happen.