I'm betting they're eager to showcase Holland. The "constraints" of an EPs length could motivate all of them to release something bombastically awesome. I enjoyed LC but the guitar work kind of killed it's replay value.
Also guys, an EP in 2013 could end up meaning a year after LC was released which is suitable for an EP. A new record in 2014 would mean 2 years after LC which is also fine.
Thought this myself and this is really what I'm hoping for. Like for TWA to go all out. Would be cool.