I can't speak for the AK guys (or anyone else), but to me
Originally Posted by Dart
If they get shot they did not care
sounds like a clue.
Many airsofters generally tend to be more milsim minded rather than run-and-gun oriented, and if you suddenly have people bopping around the field shooting stuff and not caring if they get hit, I can see people cursing under their breath since that really kills the experience.