It seems to me that certain posters make presumptions and then start to believe they are definitely the truth.
The reality is nobody here has any idea if Kate McCann took one, ten, or a thousand posters and distributed them or not.
All people are doing is guessing.
True enough
but there are some certainties in life:
death and taxes to start with
and one or two others: the sun rises in the east and sets in the west - the apple doesn't bite back etc.
Let's keep guessing - something useful might drop out of the tree
It's what discussion is all about
Utter bilge.
Perhaps your level of discussion is all about guesswork. That kind of attitude gets you precisely nowhere.
My level of discussion is based on facts, questions and evidenced responses to those questions. It is called research. Hypotheses are not simply guesses but carefully considered possibilities. Police don't just guess who committed a crime (well intelligent and efficient police don't) but they work from known facts and proceed carefully from those.
Guesswork and idle speculation may be satisfactory for some posters. Faithlilly for example is constantly asking for guesses but those seeking truth don't go down that pathway, genuine truth seekers prefer evidence and facts.