I would love to see more community building events run on official servers. One of my favorite events from back in the old days of Quakeworld TF were weekend pickup games.
1) Nominate Generals
2) Generals pick teams from players that show up: players list their class in comments or chat channel, generals can look up stats from nacrpg.net
3) Teams go to their own separate voice comms and we play 2-3 maps WITHOUT any sort of balance going on
This would require an Admin or 2 present, hopefully they would hopefully take turns being neutral referee and participating.
They would need to turn any sort of balance off and restarting maps after a warm up & planning stage.