Your comment was more than about the macro level.
> "You can't express yourself on Twitter due to the character limit, so all you can do is witty superficial takes. Threading and replies are a disaster making a structured discussion impossible. These two things alone make the platform useless for most speech purposes."
My reply was pushing back against this - it's too strongly positioned. I don't disagree with the issues that exist at the macro level, but people can and do express themselves in ways that make the service useful and valuable.
That's on Twitter. They actively designed the product to do so.