It also seems that LLMs are using them correctly — as a pause or replacement for a comma (yes, I know this is an imprecise description of when to use them).

Thanks to LLMs I learned that using the short binding dash everywhere is incorrect, and I can improve my writing because of it.

Before the rise of the llms there was a post here on hn where someone explained how to use all the dashes — sadly llms took them from us