But is it because it is AGPL? My wife is a professor who also uses Canvas. She knows how to program. If I turned to her right now and asked what AGPL was or what Canvas' license was she wouldn't know nor would she care. If I asked her how she'd start modifying Canvas to solve her problems she'd tell me she is already way too busy and isn't going to try something like that in a million years.

The point is that this software needs to compete by being better software, not by convincing people that FLOSS applications are morally righteous.

What percentage of faculty members have ever modified the source for Canvas? I'd wager it is less than 1/10,000th.