I agree with this, don't know why so many people hate on it. It's not hard to get a 10 buck headset and a shitty mic.
Obviously not the coolest thing to abandon allies in a battle, but honestly would you risk a fight where you have 12 floating turds in your team against an opponent with 25 players in contact with each other?
Personally, coming from a game like EvE where you need Jabber, IRC, TS, Skype, Mumble, <enter random voic some dumb alliance will use here> , etc etc. This game is a godsend, no having to keep up with everything that happens, can take a couple of days off not have aggro with spreadsheet nerds that are pissed because you weren't on jabber for an hour.