Sometimes, it is ideal for a page to not show the breadcrumbs bar. For example, the new proposed index page of the Tabletop website actively has a title element, so doesn't want a title or breadcrumbs. It's easy enough to avoid showing a title by setting it to be blank, but it doesn't work for breadcrumbs - this fix means that if a page has no breadcrumbs, it will not show the bar at all.
Sometimes, it is ideal for a page to not show the breadcrumbs bar. For example, the new proposed index page of the Tabletop website actively has a title element, so doesn't want a title or breadcrumbs. It's easy enough to avoid showing a title by setting it to be blank, but it doesn't work for breadcrumbs - this fix means that if a page has no breadcrumbs, it will not show the bar at all.
Example of it working: