"If I can't be accurate, then I'm sure as hell gonna be extra." -BDG
Stories about ponies are stories about people.
Two facts according to the internet. 1. Your mother is the largest object in the known universe. 2. Despite fact 1, everyone still slept with her for some reason.
"...as for the Why: beyond the obvious financial motivation, it's exceedingly simple... because I can."
It's one thing to create/throw already-established characters in a story of some kind. It's another thing to develop those characters, regardless of the situation they're in.
It no longer means what it once did to me, but I'll be forever grateful for this place and what it did for a younger me who needed it.