Pause / resume in flexible navigation seems unneeded, as can exit / enter route anywhere.
It could be useful in strict navigation to cover stops, as strict route following mandates that:
“Navigate along the route without shortcuts, i.e. follow the route strictly from one waypoint to another. When go off route, the rerouting tries to resume to the last omitted waypoint.”
That is irrelevant to this feature’s purpose. It was proposed / discussed elsewhere in forum: