Well, personal reality is obviously shapped by the reflection of others. That is also why parents are so influential in their own kid's behavior. However, group and common reality becomes a lot more complex when there is so much diverse inputs into the personal senses...
It is also a fact that many people change their personality when in front of different groups. The two most distinct are the work personality and family personality...
I agree that everyone has the "potential" to read minds but not everyone has the same level of training in terms of how to actually do it!
-wirelessguru1