It's used by a lot by organisations who want an alternative to Slack/Teams. Have a look at the client list for Element, arguably the biggest Matrix client/platform - https://element.io/
And as someone else mentioned there's also a huge influx of IRC folks especially in the last year.
A helicopter is very obvious when it's nearby, a drone is far less so. One could be watching you right now and you probably wouldn't know unless you were looking for it.
It's used by a lot by organisations who want an alternative to Slack/Teams. Have a look at the client list for Element, arguably the biggest Matrix client/platform - https://element.io/
And as someone else mentioned there's also a huge influx of IRC folks especially in the last year.