You would think that the logical thing to rally against would be neo-nazi behaviour instead of hairdos. Of course the former is much harder to detect & enforce

You would think that the logical thing to rally against would be neo-nazi behaviour instead of hairdos. Of course the former is much harder to detect & enforce than the latter. So instead we pick a terrible proxy to identify unwanted behaviour. A few iterations later, anyone who doesn't fit a narrow set of criteria is immediately suspicious.