User blog comment:Rappy 4187/Guide to Infoboxes/@comment-168424-20130120185525/@comment-168424-20130124232939

If only that were true. Many wikis who have no active admins will have active users who want to change infoboxes. Of course, if you have an active admin, there's someone to ask, but if not...

That said, usually inline CSS changes override CSS from admin-only pages, so it isn't a critical issue.