You don't know that they don't speak the language - none of their correspondents ? !

You don't know that they don't know the history and culture

Does Angry Arab have an "agenda" ? What matters is what's claimed and whether there is any evidence for it, not dismissing things because of even unconscious agendas.

Again you rely on generalised, uninformed dismissals rather than any actual evidence about specific examples which might support your allegations.

Maybe it's because I'm a Londoner - that I moved to Nice.