I contracted briefly for a firm who manufactured Point of Sale systems. They had a system for small businesses and off-licenses (liquor stores) which was no longer their main focus of development because they had secured larger contracts for fast food chains. The small business system had been put in care of workers who resented being sidelined, and had gathered an impressive "squawk sheet" of active bugs and issues.
The firm had its own proprietary bug reporting system, which automatically upgraded the urgency of any bug every two days, regardless of its importance and severity. Since the assigned team had neglected things, every issue was now screamingly urgent.
Delving further, I discovered other features of the bug tracking system. It was not linked to the customer database, so faults reported by customers who had long since gone out of business or who were no longer using the product were still "active". (Of course, some of these duplicated faults reported by live customers and would still require investigation, but it produced a lot of noise.) There was no information on the Release or Version number of any system for which a fault was reported;