Ahh, so this is the reason I was disconnected few days ago. I have never considered this a glitch because it is easily reachable if you jump from the building across from the balcony (from the top of the ladder). No special jumping or elevators or stuff needed. Also, the player in the balcony is easily seen by snipers and killed easily, also by airstrikes. But ok, so be it. Mby it is really so, that there are many new players who have no knowledge of the map. IMHO usual sniper spot with limited visibility, best spot for camping on other team's snipers on 2nd floor.