You can't liscense a game mode to a game you do not own. Any spin you put on the game falls under fair use. This is the reason why servers have many of the same games. Even more specific game modes like scbb, can be copied onto other servers. But that being said if you do copy a game or nap you...
A tournament is a predetermined bracket on a specified day with a clear winner. An event is a spur of the moment for whoever is online lasting only and hour or so.
obviously I'm not suggesting we hire people without these forms of maturity, but it is possible to have younger players who can be mature. Maturity is not necessarily correlated with age.
This could be put under maturity which you yourself said that many kids under 14 are trustworthy and mature
This is a pointless example as this could happen if you are not staff.
So all in all you said kids under 14 can be trustworthy and mature, not to mention that younger staff members can...
If finding people who fit all the criteria for staff is already difficult, wouldn't it make sense to allow younger people to at least try out for staff?