You really have it in for optimists, don't you?

It's not that I dismiss the idea, but like all accusations of wrongdoing, I'm reluctant to judge without compelling evidence.
Hearsay and suspicion don't come into that category. The statistical evidence carries a little more weight perhaps, but I'm no statistician so I don't know how watertight the information gathering procedure is.
To me, accusations of serious corruption need to be examined as though they were in a court of law, and hearsay is never enough for that.
If a confession comes about one day, or irrefutable evidence, then we'll all know.
Until then...it's not that I
prefer the idea of incompetence or bias of individuals over a purposeful policy - it's that I consider it far more likely.