I really don't get why people are so happy about Slack (never used Discord). The interface is awful, it barely functions as a chat client, yet people adds bots, automation and use it as a repository for documentation. Honestly it would be better if history was deleted weekly or something, just to prevent people from storing things in Slack.
It's the opposite in my experience, it's the best parts of IRC and the history is gold. Storing things in Slack is one of the most useful bits of it. I've seen several multi-billion dollar companies built most of their collaboration across offices around Slack.
