If I might use a noncontentious example:
Imagine there's a thread about pregnancy. In it, there's a bunch of women talking about being pregnant. There are also some men posting who got their partners pregnant and want to share their experiences. There are also some people posting in the thread who are only aware of the pregnancy and some who have no idea about pregnancy at all. And that's fine.
Unfortunately, a small minority of the group with the least understanding of pregnancy find the subject a bit icky and uncomfortable. So what happens is, purely as a sub-conscious defence mechanism I'm sure, they spend their time not talking about pregnancy. They talk all around the subject, go off on mad tangents, make false equivalencies and comparisons.
Finally, the people with the least understanding of pregnancy make the thread about them. Not pregnancy. Them.
And then the thread gets locked. And nobody gets to talk about pregnancy.
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If I was easily offended it would be about the fella with the "white" card, who has a) opined that maybe H&M did no wrong (despite the apology) and the people who see something racist are the ones with a problem b) The Brixton riots? c) The content of the Weeknd's lyrics. Anything other than H&M and their hoodie. He really needs to be patiently educated as to how wrong his thinking is.
I'm not easily offended as my life experiences involved being spat at in the street and told to "Fucking go home you stinking Paki!". Walking out of McDonald's. By National Front skinheads. Aged about nine. But my experiences are small potatoes to repeatedly being equated to an animal, being sub-human. Which is why the simian references aren't a cul-de-sac. The "cheeky monkey" tangent was.
On top of that, I'm an Art Director. I've done a catalogue shoot for kids of that age. I don't think that black kid ends up being shot in that hoodie by accident. It's deliberate (but not deliberately racist).
So, for those reasons please consider re-opening this thread, with a live issue and posts that should be challenged (politely), which would be far more useful than for it to be replaced by some amorphous, insipid "Isn't Racism Naughty?" thread instead.