I think the problem is not what it does or solve. I have used jira in 8 companies, maintained an instance in 2 of them and I have never seen a fast one nor figured out to make them fast.

Any single click you do on it reminds you of the time when people were waiting literally minutes to be able to do anything when booting windows on a laptop with 5400rpm hard disk.

Whatever help it is for your company, it makes you pay for it with billions of swears.