To support the players.Choose map suitable for the amount of players.
#1. No repeated maps.
#2. To keep server interesting.
#3. adhered to the majority of vote from the players decision on maps, without having the Map vote blocking plays the view. :)
To stop troublemakers.
#1. Players breaking the rules of the server.
#2. to catch cheaters.
If I knew who I was talking to I can go into more detail via PM or TeamSpeak 3.
mmmmm, to many job... it's not for me