Idk, I've put in a few hours and I just like shooting enemies. Runners dont really bother me, but if you cant stay alive, don't go into the darkness zone alone (as hard whipes affect quality and frequency of drops). I prefer to kill everyone (PRO TIP: if you're in tiger for engrams, you'll get a lot more by actually killing your enemies), but will stop shooting to catch up with runners because too many times have I seen some cocksure player run past everyone and then die alone in the darkness. Maybe if they took the time to kill enemies instead of running through them, they'd have learned the skills they need to stay alive. Just a thought.