Thanks for linking this, I was almost making a lengthy post but this link explains the deal with anecdotes way better.
Yes, Mythic raiding and MDI are alienating the playerbase - it's infested with try-hards and meta-slaves who can't cope with the skill ceiling. Adding more rewards will simply amplify the problem.
It's obvious that you know how much of a problem it is yet refuse to understand it, so yes, I do agree that you will never really understand the logic.