HTML still collapses multiple spaces, doesn't it? Does HN go out of its way to add an nbsp glyph? Typing this post the original way I learned to type, with two spaces after the end of each sentence, to see if it renders that way. Here we go!
(Incidentally, I love that backlash against LLM writing has more people developing as much of an allergy to emojis and content-marketing- and personal-branding-style writing as I've long had)