Does it really need to come to litigation?
I hope they don't settle, to put it mildly. Few institutions are as well-equipped to combat trolls as Harvard.
On a related note, EEOC has been tweeting a lot of disability settlements. https://twitter.com/EEOCNews
Unless I'm mistaken, the article says that National Association of the Deaf requested Harvard and MIT provide options accessible to the deaf on multiples occasions. They're seeking comparable materials for the hearing impaired, not millions of dollars.