They will find a way to kill it off I think. Lets face it, there was a lot of hate towards multiboxing since day one. Disabling /follow is simply lazy customer support to stop a bot. What's next? Disabling /assist or /target or using hotkeys to target group members? I'm sure these were used by bots as well.

It will be all cheers and fireworks that Multiboxing has been slain in arena's and BG's but world pvp it's still there and the player demand to put that to a stop will be heard. They will find a way to kill it all together because even losing a thousand accounts is worth the customer satisfaction boost.