Survivors are generally weaker because they INSIST on remaining in the south, blasting away at zeds and players alike, meaninglessly, in Elektro and Cherno until someone finally puts them out of their noob misery. No matter which server you join you'll find some stooge typing furiously away: "Friendly in elektro? Who's shooting by the hospital in Cherno?" etc etc. It's comical. The north, NW and NE are much different. The loot is much better. Encounters with other players are rare...but deadly. I'd wager 60% of Day Z players haven't been north of Pusta... Most players -- in any game -- do what is both easiest and most popular. For Day Z that means running around Elektro and Cherno and whining about the absence of loot.