I don't get the point of HipChat. It's a closed, proprietary Jabber server, with closed-source clients, intentionally no OTR support but the explicit ability to spy one-on-one conversations instead.
And people used to pay for that?
And people used to pay for that?
And it was about $3/mo per user. Not bad at all.
Is this sentence really that hard to understand?
A functioning business doesn't want to arse around setting up a Jabber server, building integration with Jira, creating clients optimised for group IM, or that sort of thing. It's not impossible to do, but it takes time and other resources.
On the other hand, we can use Hipchat - it works pretty well, integrates with anything we want, and somebody else is doing the development work. It's an obvious win.
Edit: Looks like OP was referring to this: https://blog.hipchat.com/2014/04/25/hey-were-changing-our-te...
I would give money for somebody to work on this problem and open source it.