I'm not sure if you are trolling, but the article wasn't "dead naming a trans woman". It was an article in a mainstream uk magazine about a uk political party where her preferred name was mentioned
I don't think a site-wide ban of the person who posted the link is reasonable, but it is a shitty article.
Someone posted an article discussing some issues around women's issues specifically apropos The Green party. Actually a good article.
The article mentioned Aimee Challenor's name and the scandal around their deputy leadership bid.
This happened to be posted to reddit. It was removed by admin and the poster (a mod) banned. No one knew why.
Only when reddit made a statement to mods did it become clear that was the reason.