Slack should understand their market advantage is targeting development communities (with their partnership with Atlassian for instance). Microsoft, Facebook,

Slack should understand their market advantage is targeting development communities (with their partnership with Atlassian for instance). Microsoft, Facebook, and others are going to eat their lunch as a generic workplace chat tool. And if your clients are developers than they're going to have different needs and wants than your average non-tech user. They understand markdown, they don't want the editor overriding their intent.