As per T275
The reason field is required for all deletions unless you're deleting your own post.
I understand the mechanics, I was merely curious if there was a policy associated with it, or if it was optional - ie putting a few misc. characters to satisfy the required field which would be a workaround to ignore it entirely.
Yeah, sub mods can make their own rules and put whatever in that field
Is this feature recommended or is the policy that it's required?