Quote Originally Posted by Mandudez View Post
One could argue that someone spawning and not sharing the location of a S rank now disrupts their game play by denying them the chance to complete an achievement.
Except that everyone has an equal chance to complete an achievement if they spawn S rank themselves. S ranks are not exclusive property of anyone. And not getting a mount does not disrupt your gameplay in any way, it's a pure cosmetic item which has no any affect on gameplay, like any cash shop item.