Firstly, did you realize what the dictum you've quoted actually implies? Given that it all started with you spouting all sorts of nonsense... Oh, the irony!
Secondly, yes, everyone is dumb and you, sir, are the only genius on ET. In seriousness, what do you think the probability of this actually being the case is?
Excellent, so it works. The probability will be higher than you want it to be given it's your interpretation 'everyone is dumb', surprised only two replied which is a good sign. So, in your own words, what is wrong with the "dictum".