In terms of physical discrepancies, there is no difference between GM’s check and MO’s check: the kid’s bedroom door is more open on both occasions.
The other differences between the checks are that GM confirms that MM is in bed and MO “feels” as though there is light coming into the room. If we examine this, MO didn’t see MM because she wasn’t in the room, he didn’t see her because he didn’t look for her. The brightness of the room is IMO highly subjective, while it indicates a change in the room, it certainly doesn’t confirm it.
Given that the situation is almost exactly the same, I’m confused how you can say with almost certainty “nothing suspicious” during GM’s check but you are open to an intruder being responsible for opening the door in practically the same situation during MO’s check - why aren’t you absolutely sure MM opened the door on the second check as well as the first?
To me it looks like you are making the facts fit a theory, not a theory fit the facts. Just MOO.
It feels like people are confusing credibility and relevance. The statements of the McCanns and MO are highly credible - no reason to doubt their truth or accuracy. But how much do they actually tell us? How relevant are they beyond giving a window of time?
The second or third hand comment from a gf may or may not be as credible. But it is way more relevant in that It tells us something about CB..
There are are telling differences in the details given in GM and MOs initial statements. The most significant being that GM entered an appt he was familiar with and went into the children's bedroom for a reason - noticing nothing that unduly worried him.
MO entered an unfamiliar appt and glanced at the middle of the bedroom because, unaware of what unusual would look like, why would you risk waking someone else's children .
What is lacking is any attempt to clarify those details to clear them up.
GM says the door was 'half open' rather than ajar as left - odd. He wondered if MM has gone to sleep in their room so as not to be disturbed by her siblings so he entered the room and did his visual check. All was well. He didn't notice anything else untoward.
As he went into a room he'd have left and spent time there I'd assume he'd have noticed anything more unusual in lighting levels, changes in windows or shutters open.
MO says the door was 'open' - degree unspecified - and there was enough light in the bedroom to see the twins.
He didn't see MM suggesting he didn't go into the room but as all was quiet he deduced all was well. As you would. Looking at the layout of the flat you wouldn't even need to go right to the door to see the twins. Seeing the twins would not mean seeing the window either.
So we can't deduce let alone confirm anything from bright enough to see the twins. That covers a multitude of light levels and GM also saw his children. That could well have been the same.
MO said the light was not from an artificial source inside the flat but an external one. Again nothing can be deduced. We don't know if that's normal
MO also said it seemed to him that the shutters of the 'master' bedroom were open but he wasn't sure about the window. Not mentioned by GM.
But again this lacks info. What bedroom is that exactly? I assumed that to mean KM and GMs room but again it isn't clear. If their door was open would that might have been noticeable but there was a bathroom was in the way.
If it was their room does it mean anything at all? Would their shutters normally be open? I would certainly like sunlight in my bedroom but would be happy to block it out in my kids room to keep them asleep till a reasonable hour.
But if 'master' bedroom refers to the children's room based on size rather than occupancy was it in that room that he sensed open shutters? If it was then it becomes more relevant.
MO wouldn't have then shut the door on someone else's children in someone else's flat. He'd have left it. So for all we know the situation he left could have been identical to what KM found and MM already gone.
So I don't think you can conclude that what MO saw was different to what KM saw. I don't think you can say it was similar to what GM saw. All you can say is the window in which MM was taken was between 9.05 and 10.
So nobody needs to doubt any single thing in the Tapas statements to conclude that they don't really tell us that much. It's not a slur it's a simple statement of fact. The comment about the horrible job tells us much more but it doesn't tell us whether it's accurate or not.