Adria's post in the Facebook thread doesn't exactly reinforce that this is fake.

Adria Richards - "It is impossible for me to comprehend the hate generated on the internet towards me for simply doing what any sensible person would have done in that position." 11:51am PDT

https://www.facebook.com/SendGrid/posts/10151502570463967?co...

EDIT: It appears this is not Adria's facebook, but rather a fake profile.