:facepalm: That's the entire concept of the website! You don't have to be any kind of recognized "expert" to write on any given subject.
Taking wikipedia as an absolute reference is like getting your news from Jon Stewart. There's truth to what he says, but is he credible or is he "reporting news" for other purposes? Is wikipedia a pretty good place to START research? Yes. Is it a place you should take as absolute truth? If you did, it would be incredibly risky.

