The story here isn't that the Big Evil companies behind the MPEG codecs were beaten by the Good companies behind the Alliance for Open Media -- the story is that the pool of companies is kinda-sorta the same or comparable, with plenty of them playing both sides, a fact not lost on the founder of MPEG [1][2].
[1] http://blog.chiariglione.org/2018/01/28/ [2] https://news.ycombinator.com/item?id=16261313