You cant enforce muti-boxing. There is no cost effective way a developer could do it. Countless reasons for several accounts from a single location. Dorms, family accounts are just two off the top of my head. Anyone that multi-boxes could just vote multi times. So i see votes as pointless in this matter. There are plenty of cheats and exploits that should be focused on. Then the few that multi box in a negative way. The games in Beta after all. This is the time you fix those issues.
Now In my opinion. I would like to see a complete server reset. When the game goes live. ( Though not popular ) Maybe allow testers to keep SPs /shrug.