His embassy conditions, by all accounts, were pretty similar to a Nordic prison. "Allowed to leave at any moment" is a bit of a disingenuous way of describing "be immediately arrested and taken to real-jail". His freedom of movement was severely restricted for a good part of a decade - that's a significant repercussion, even if not directly inflicted by a court.

> Even from a rehabilitation standpoint, does anyway seriously think Julian learned his lesson and will respect consent after he literally got away with raping someone?

Oh, not at all, but the same is true for many of those who go through the normal justice system.