I completely get what you're saying now Dani.
You were raised in a way that completely embraced the idea of animals as food and eating meat to live, but a particular image distressed you to the point of nightmare.
I don't think this is the case of the people complaining in the article. For example your Mum found it more reasonable to avoid what was causing your upset; she didn't wage a campaign against the proprietor of said stall.
But I'm glad you explained it.
Who knows what goes on in the minds of children? I was terrified of a goldfish called Glug on a children's television programme and actually had nightmares about it. It was not even vaguely threatening, but it filled me with a visceral horror. At least your childhood shudder came from a real decapitated animal
