Getting into enterprise IM in 2022 is complete idiocy, but… Good luck.
We already have the solution, it’s zulip, yet no one uses it or cares.
> Slack is based on IRC
Not true any more, maybe in ancient history.
> It was built for synchronous communication.
Also wrong.
It's less boring when your tools are getting shittier over time.
But instead, probably instead we're going to get something like kernels written in electron forced onto us by our IT departments out of nowhere just because it's included in our Microsoft or Atlassian plan at no additional cost.
> Not true any more, maybe in ancient history.
I see that comparison more in the conceptual sense, rather than using the actual IRC protocol.