This is why I tend to trend in many comments to talking about "identity in-groups". I do occasionally use examples based on race or gender, but abstractly, I pr

This is why I tend to trend in many comments to talking about "identity in-groups". I do occasionally use examples based on race or gender, but abstractly, I prefer "identity in-group" because it explicitly highlights that whatever it is we are talking about is an abstract concept that is not reality but something that exists as discrete quanta merely because we believe it does.