I'm actually an atheist who likes saying "Merry Christmas", not that I really care very much. But the small sliver of people who'd be outraged over cups at a hi

I'm actually an atheist who likes saying "Merry Christmas", not that I really care very much. But the small sliver of people who'd be outraged over cups at a hipster coffee chain are not reflective of the broader group, is the point. "the cups story may be one person but it's reflective of a larger group" is exactly the "weak man" fallacy/mode of group stigmatization that the blog post is about.