> Agents can: Make pixel perfect clone of Slack or Jira with SQLite or ejabberd behind.

If it's that easy, then maybe you can do it and give the world a free and better-than-Zulip alternative to Slack?

You're missing the point.

Software in individual service doesn't have to scale, secure or maintainable.

Software is a thruway artefact now.

People are having hard time realizing that.