I'd love to write an article, but currently have no platform (server, site, blog), time and physical power to do so, sadly.
I would propose full-width scalable interface with basic formatting (like Telegram has), without wasted space... but it has to be drawn, words can't show. (
For example, on your average phone you have 3-4 short messages and TONS of empty space around. You don't have the whole line of conversation before your eyes, you have ridiculous limits to text width and height, etc.etc. which makes it irritating to read and write something longer than "Hi", forcing you to write very short messages. (I won't go deep into this, to not to be instantly labeled a conspiracy theorist, but it has enormous psychological impact, not just UX).
I think the white space is awesome .. It helps show the conversational nature of the messages .. I personally do not want long SMS messages .. If the conversation is long, then I typical switch over to audio as it is much more efficient .. Additionally, I don't want to type that much without a keyboard
I guess I also look at is "pick the right tool for the job" .. If you want a long convo, use e-mail .. I mean it has called SHORT messaging service from the jump .. I guess I want my mobile convos to be more back and forth and not structured more formally .. Again, I see this all as preference