this is not a new idea, i'm not a social media design expert, and there are so, so many things to criticize about twitter — but i think just at a basic level, the character limit is responsible for so much that goes wrong on there. it pushes people toward every statement being axiomatic. when you're trying to fit a thought into a character limit, it's the concessions or detours that get cut.
I mean fundamentally, I believe it's material conditions, not design, that are determinative here, (ie in this case what are the material interests of twitter's shareholders?), but design still pushes toward certain outcomes within a set of material constraints, and it's interesting to try and specify what that looks like