Yeah, he has a point.
It's like trying to look cool when all your group is wearing socks and sandals.
Still, I'll end up taking this thread as more of a joke than anything. Despite the fact that again, I agree wholeheartedly, the way it is phrased (full on ban) makes it seem slightly less serious. A more sensible solution would be to apply peer pressure.
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Don't judge others based on how they look. My 5 as a psychologist.
I always do this.
I always expect people to judge me by how I look too. By how straight they stand, by how confident they look, by how they interact with everyone else.
And again, maybe you shouldn't judge, but of course, it's a lot to ask of the world to ignore your green, spiked hair, shaved from the ears down with no eyebrows and a beard would get caught on their fly every time. It's part of life, might as well work it.