Micromanagement
Our team has switched to jira for no good reason except to justify the position of a new employee who seems to do nothing but micromanage our bug tracker. We get flooded with notifications for every little adjustment, whether the manager tweaks the labels or blows his nose. The interface is crap with poorly labeled gray-on-gray buttons (which turn the mouse cursor into the type-text cursor when pointed at) and the gray-on-gray text is hard to read, flooded with garbage comments like, "Collin made (unspecified) changes 5 minutes ago."
Jira has made our productivity plummet.