Roudy -
I think it is fairly clear that you have never been to any of the countries we discuss here - if you had been, you'd have provided proof of it many moons ago. Most posters like to use their strongest arguments often - if they dont use them, it generally means they don't have them.
There the really four factors which I think really mark out stronger posters from weaker ones -
1) Local knowledge. It's the #1 for me, and what posters like Amir and Lipush bring to any thread simply can not be replaced. One forum I post on has a rule that you only post about countries you have been to personally - it's a very good rule, IMO.
2) Literacy. Even intelligent people are sometimes let down by their inability to express themselves accurately in English, and to read and understand inference and irony. Some very literate posters here, plus some who really struggle.
3) Education. A strong background in subjects like history, political sciences really shows through, and there are a couple of posters here I imagine are very well educated.
4) Career. People who work in a field related to the topics we discuss here have a huge advantage. Perhaps not so many on these ME forums....I've noticed one or two have been to the ME for work, and that provides them a lot of insight.
Anyone who isn't strong in any of these 4 areas really struggles on forums, and funnily enough - they are usually the ones who are most often abusive and unpleasant.
That isn't coincidental.