Earlier quoted context omitted.
Real-time chat happens quickly — one line at a time — discouraging full, thoughtful conversations. Slack supports shift+CRLF for line breaks, so users can write epic poems broken up in to hundreds of stanzas if they want to. Using Slack as a one-line-at-a-time chat service is a choice that a user makes. Slack itself doesn't enforce it. Topics are all jumbled together in a channel so it’s nearly impossible to piece to…
It is true that Slack allows multi-line posts and discrete conversations, but both go totally against the grain of the system design. Expecting people to use Slack in a way it wasn't designed for can only result in failure or constant friction.
one line at a time
no caps or periods
stream of thought
enter each time
I posted a parody of this style a while back: