Quote Originally Posted by hamishspence View Post
It does say that helpless conscious creatures are not automatically willing.

If someone casts the Poison spell on an unconscious guy- do they automatically fail the save? -

because it's a spell, not "real" poison by the "Unconscious characters automatically fail all saves vs spells because they are "willing" logic?
No. All the spell does is infect the creature with a poison. They make their save against poison as they would against any other poison.