In-Group Out-Group Dynamics

It sounds like they do have a group with its own values.

Groups of people are not the same as the people that make them up. They think differently and have different motivations.

The problem with articles like this is that it is so easy to make claims like this without explaining the reason for the converse, ie, the status quo. Why do people belong to groups in the first place?Without mentioning that, we very easily end up in a place where we have an article espousing a world view ("Belonging to a group is bad") that is very appealing to a demographic (Hacker News readers) who are very susceptible to those views since their natural state is to mimic the impl

There are certainly groups were People are uncomfortable unless everyone is a dick.

No, because of group dynamics. Once you start un-personing people, you have the in group and the out group. The in-group repeatedly redefines acceptable behavior to exclude some small margin. Repeat and you end up with absurd extremes.

This happens with any minority group. Race, sex, etc.The irony is that being around other like individuals brings people together, and people naturally like that. The issue isn't that you're joining up with other similar people, but with keeping dissimilar people out.

Could be they don't feel especially compelled to be a member of your group/society.

We're discussing the eagerness of people to create outgroups out of anything.

Every group believes in something dumb. People often hide disagreements to fit in.

Maybe your narrow-minded group believes in in- and out-groups, but not mine!