This is like Excel - nobody needs more than 20% of all its features... but a different 20% for everyone. Project Management/Tracking needs can vary a lot between orgs or even people.
That's not really true: witness Jira boards which are really kanban boards replicated everywhere. Jira, by now, is mostly a database of issues with a terrible management interface that's only accessed through the "boards" features.
At least in the "agile" (actual or lookalike) software development.
This is like Excel - nobody needs more than 20% of all its features... but a different 20% for everyone. Project Management/Tracking needs can vary a lot between orgs or even people.