Lots of custom maps no doubt, but with no ranking support.
Majority of players are playing to increase their stats = empty custom map servers.
Besides, these expacks aren’t the £20 that RtR (not bad) and SWWWII (pos) were, they’re £6 the price of a pack of fags or 3 pints and will no doubt will provide more hours of fun and less likely to lead to a coronary/liver problems. 😀