But you wouldn't know their intentions until they did something that made that obvious. Being just close enough to someone doesn't tell you ANYTHING about them. In fact anyone that being in proximity someone means they can read their intentions to are either living in a dreamworld or are very judgmental people. and judgmental people are VERY often wrong. Keeping in mind that this is a game and not reality. Look at whether or not this is a good game mechanic, not whether or not it makes sense in a real world scenario. In the real world people would be a little more hesitant to shoot you on sight giving you more of a chance to determine what they are planning.