+1 it will be fun.
what he means is
there should be a separate board for crew/clan
like this
and this
where people can apply for the respective clans either directly in the clan topic or separate sub-board.
maybe only recognized or active clan's leader will be given some moderator power only for their boards. like they can lock/unlock topics in their clan sub-boards only
or without those above things ^
there will be some requirements to create a clan like some required score or playtime etc..
people can play with their clan members like robbing the bank with clan members as civilian or catching wanted with clan members as a cop
also if there will be a group chat system in the future it will be much better