Scrum/Kanban ceremonies with assigning points to tasks etc. GP is being melodramatic

I've been redditing for 15 years and until a week ago here on HN, I've never seen the previous commenter reffered to as GP. What is that an acronym for?

GrandParent

Parent is the comment you're replying to, GrandParent is the comment above that, OP is the original poster.