The way I see it, any space with written rules (e.g. CoCs) are essentially spaces with restrictions that dilute cultures so that several cultures with a narrow shared interest can mingle productively. Codes of Conduct are essentially anti-cultural for the sake of achieving collaboration between cultures that share a common interest. This isn't a bad thing. It's certainly productive in ways and produces something of value, but it is necessarily limiting of cultures (and sub-cultures).

The moment you're thinking in dichotomous terms like "the organizers" and "the attendees", you're not talking about culture. The moment you cut out the play, you're not talking about culture. Every culture has varying degrees of play (that go well beyond the amount of play allowed by any CoC I've seen), and that play is acceptable but only known to members of whatever in-group is in question. Introducing rules that eliminate the play inherent in cultures is okay when you do so for the purpose of letting members of disparate cultures to interact safely with each other. The big concern hackers have and that the author of the article we're discussing is getting at, is that the values from which CoCs are fashioned are fine within the confines of the events where they are enforced, but when those values are foisted upon every hacker and nerd sub-culture (including the abrasive ones) and attempts to squelch the diversity of cultures, then it no longer represents intersectionality inclusive of weirdos.

    The problem about society is that you can't cut out social
    interaction from humans. Any attempt to do so is doomed in
    my opinion.

Exactly. CoCs cut out many types of interaction by humans. That's okay and that's good. The problem is when the values that led to those CoCs are indiscriminately applied to everyone that participated in an event even when they no longer are participating in an event. One sub-culture might be abrasive. It's good that that abrasiveness is not allowed in shared spaces like meetups and conferences, since it allows those without the capacity to handle abrasiveness to participate. It ceases to be good when people try to enforce those values against people even outside venues that proscribe CoCs.

    What you want is an abrasive culture and I oppose that.

It's fine to oppose when such opposition is limited to venues like meetups and conferences, but universal opposition applied at all times and all places, is inherently not inclusive of abrasive people.

highly relevant: http://marc.info/?l=linux-kernel&m=137392506516022&w=2