As a newish player to this server my opinion probably doesn't really matter, but i voted yes, the servers are at capacity pretty much all through the day and for us that do want to RP it is very difficult to get on the server, if rebels just want to go kill people and let off steam go play KOTH...
I think it's better left as is, there are usually large crowds of people in the green zone that could quite easily get caught in the crossfire if combat is allowed to continue into the green zone.
Had several run-ins with DeputyDovahkiin last night on both servers 1 and 2, he was hanging around the shops in Kavala all the time shooting anyone that went there without saying anything, pretty sure daire was with him as they were together in the shop area on server 2 and then when i got tired...