It was pure speculation, that's all. On the other hand, I am fairly sure that attunement is not simply a random occurrence. That significantly weakens any reasoning based on population density...
And we doon't really know the royallity status of charlie
*remember, english is not my mother language, heck, it's not even my aunt language, well maybe my 3rd degree cousin language
"It is a mistake to think you can solve any major problems just with potatoes." Douglas Adams