It's all suposition anyway. I'm sure the McCanns would have been broadcasting it far and wide if they'd found any serious discrepancies in the files. There were discrepancies in the McCann's accounts, one of which was their differing accounts of the conversation with Madeleine on the morning of 3rd May. This was important enough to be included in their first statements, so what did they say about it?
Kate, 4th May; Madeleine asked her why she had not come to look in the bedroom when the twins were crying.
Gerry 4th May; Madeleine asked him why they had not gone to her room when the twins were crying.
This account changes in Gerry's 10th May statement;
MADELEINE addressed the mother and asked her ?why didn't you come last night when S*** and I were crying??.
On 6th September Kate said;
Madeleine on the next morning, Thursday, during breakfast said to both of them that she had been crying and that nobody had come to her room
I don't think the incident made much of an impression because neither of them gave a full a clear account of it. Who cried? The twins, one twin and Madeleine or just Madeleine? It seems to me that a poorly remembered conversation with a three year old wasn't significant at all. As time went by the McCanns suggested that Madeleine was talking about a crying incident (by someone) on Wednesday night, but Madeleine could have been referring to Tuesday night, imo, when crying in 5A was heard by a neighbour.