I disagree, when I have kids I will tell it everything my wife tells me not to tell it, if this includes telling it Santa Clause is not real- I'm going to do it. I rather have him learn from me then some snob egotistic kid who thinks he knows the secrets of life preaching about how unfair it is that other parents are lying to his friends or another ignorant kid, who is figuring it all by himself, confusing my kid. Having a kid who is aware might pay off..or not, like someone in the top said, us without kids don't know how the robot methodology isn't going to work.

On Topic:

Putting the tv to a certain volume level and a tablet, with a voice monitoring application- if it passes a certain threshold it will change the channel to a 1 minute pre recorded message telling him not to yell, sounds more productive than a white screen and a notification for you to go to the room and explain to him why that keeps happening or sending him to the room for yelling to loud after a few warnings. We can all agree there's a certain level of yelling one can stand from kids!