No need. He has proven beyond any doubt whatsoever that he is a citizen. Requiring anything else reflects very poorly on the requester. It is voyeuristic and shows extreme bias.
Actually, no, it doesn’t. It shows transparency to release it. And the application itself for a CRBA shows intent of the family at the time.
So, there’s excellent reason for releasing it.
I think you need a different word:
voyeurism
n.
The derivation of sexual satisfaction by watching people secretly, especially when those being watched are undressed or engaging in sexual activity.
n.
The derivation of satisfaction by obsessively watching or following sensational or sordid subjects.