Almost all schools will have someone "in the know" on ADA stuff. They may not have the budget or people power to do it (ours doesn't, 15k students and 4 people in DRC) and it is up to the instructor to provide accessible content. The good side to this is that we tell instructors about making it all ADA compliant and they change their minds on doing 45 minute talking head lectures :)
The big issue I see here is if the plaintiffs' instructor(s) were referencing the content for a course, then *their* school's ADA folks/instructor(s) should've been responsible for making it accessible to their students. Like Open Source, if they they sent the transcripts upstream then it would've been done for *all* folks.
If the students just happened to want to access the content on their own initiative and were able to sue because the content just happened to be provided by a university then this is just a very bad application of the law, and I'm thankful that some type of mirroring system (I couldn't figure it out....) is being set up for the content.