Like the original Grammarly, I think this can be useful for business writing because these tools help you get to the point. Many students are rewarded for using flowery language in school essays, but if you're composing an email or writing a design doc, just optimize for reading time and clarity. But for general use, I think this is misguided. The problem with LLM output is not that it's using em dashes or words such…
Always judge an author by the length of their text.
Decades of insights barely condensed into 200 pages? Great! Hours of thought expanded into 200 pages? Very bad.
Same length of text but lands very differently. Same is true for emails, tweets, videos, and even just talking. Say less! But not too little either.