Have you ever showered in an open bay shower, with other people?

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There is a logic to:
-Extreme desire for individuality leads to avoidance of communal activities like bathing

You can also flip that and say:
-a society that lacks emphasis on communal activities, like bathing, can lead to a perception that all behaviors should be done on an individualistic level and not with any sense of community, thus leading to hyper individualism.

Also, with a lack of communal and non-sexual exposure to nudity, people (of all ages) fail to develop the necessary perspective of we're all human, we're all in this together and we're all equally vulnerable.

Obviously this is just one aspect but a lack of communal exposures easily leads people down individualistic paths.
The name is wackyteen for a reason. Never doubt.