I don't understand why people are putting this article down by saying "Nothing Novel In it"; "i have been doing this for X years. I know all this stuff"; "This

I don't understand why people are putting this article down by saying "Nothing Novel In it"; "i have been doing this for X years. I know all this stuff"; "This is too simple. Too Basic" GUYS!!! It's titled "BEGINNER'S Guide to WiFi Interception" So OFCOURSE it's basic. It isn't meant for security veterans like you guys. The author is apparently a secuirty guy too, but he just WANTED to explain it in as simple as possible way