As a follow up, 2 things:
-I did receive stay credit
-They reference the terms and conditions point # 2
(
http://hhonors.hilton.com/en/hhonors...rual_of_points)
"2. To earn HHonors points for hotel stays, a Member must be a registered, paying guest at a participating HHonors hotel and meet all of the conditions described as follows...."
as being interpreted as you must be THE ONLY registered paying guest. I interpret it as being 'a' registered paying guest.
Cheers,
Answida