This suggestion is quite self explanatory, but i think the idea of being able to send text messages to other players would be great, as its quite easy for other players to eavesdrop on phone conversations.
Although i agree with most of these situations, not everyone is the same. If you're a member of a gang, it might be normal for you to pull a gun if your car is stolen by a rival gang. These situations all assume that nobody is a serious criminal, which i would consider unrealistic. There are...