Remember the time when we had demoes that we could test before commiting to a buy? We should come back to that. Arguably Steam’s return policy could be used as a demo although it only gives access to the beginning of the game and the plethora of cinematics and tutorials, and does not focus on a core part of the gameplay.
I have installed a local World of Warcraft (WOTLK) server and me and my wife are teaching our 7y.o. to play in this safe environment.