Kenn Lobb's Philosophy on Making games has three rules and one of them is "Making the game fun to watch".
Why would that be the case? Because YouTubers are an important factor in advertising your games and gives them legs. Lets use a few examples
Minecraft, State of Decay, Halo, and Killer Instinct. All 4 grew in popularity off of youtube. And all sold millions
I dont like let's play or all that other stuff, but millions of people do so its best not to restrict them when they are one of the best forms of advertising in games right now







