Please don't presume to tell content providers how they should produce content, or presume to tell them that a part of the process is easy. That's not up to you to decide for anyone but yourself.
>These are all things responsible educators do. Proudly.
Nice; insult the awesome folks over at MIT and Harvard who are giving us this material for free because they are "not responsible".
I'd be a hell of a lot more proud releasing content that happens to be inaccessible to deaf people than never releasing anything at all because I'm afraid of getting sued under the ADA.