Then I would head over to Hasbro and slap the shit out of them.

Well, that would at least imply that she was there for two seasons…
I think it would actually be pretty cool if Derpy ends up appearing in EG.
Maybe being aimed at a slightly older audience will allow them to include her without so much damn controversy.
… or not.
Never underestimate people's ability to be offended, especially on the internet.