Is it Jira that sucks or the management methodologies that cause it to be such a dumpster fire? Scrum-style management is the norm now: it is increasingly difficult to escape it now. So this means project managers are chasing burndown metrics and the like, and organizing everything on boards that are tweaked to death.

Atlassian is basically the centre of the so-called "Agile" industry these days. Jira is just a reflection of it.