We're in the brief window of time when AI's writing style is the weirdness. It's an artifact of the production process, like JPG blur, MP3 distortion, autotune's rigidity. And it didn't take long for those things to become normalized, in fact for them to become artifacts that people proudly adopted and embraced. DJs release tracks built from MP3s samples instead of waves. Autotune is famously a 'sound' that was once something to be subtly added and never confessed to, but which now genres and artists lean into rather than away from.

Long story short: I think emoji in headings and lists, em dashes, and the vile TED Talk paragraph structure of "long sentence with lots of words asking a question or introducing a possibility. followed by. short sentences. rebutting. or affirming." are here to stay. My money is that it gets normalized and embraced as "well of course that's how you best communicate because I see it everywhere."