The early appeals by the parents. They didn't trigger disbelief, they just didn't trigger belief. I rhen forgot about it. The next time I took any notice was when they were made arguidos. It didn't surprise me because of my initial impression pf them.
I don't recall taking any other interest in the case for years. Then one day I was asked for my opinion on it and my reply was that I didn't know. I began to research the case in 2014 in order to be able to answer that question. It soon dawned on me that it was necessary to read the PJ files, because so much of what I read was opinion or rumour. My conclusion was that, based on the evidence, it was impossible to be certain what happened to Madeleine.
If the early appeals didn't trigger either belief or disbelief what did they trigger?
Any emotion or feeling?
It maybe impossible to say with certainty what happened to Madeleine but your reading of the files seems to have influenced your disbelief rather than belief in the parent non involvement.
Both police investigations will be very aware of the files and both have said the McCanns are not suspects.