Thanks for your clear precise observation. Those endlessly posting complex extensive opinions sometimes miss the correctness of clear simplistic thinking.
I might add to your projection, A Journal Publication to follow the FDA BLA. Documented credibility.
You don’t understand the meaning or requirements related to such circumstances. Throwing around the term “material information” is not a magical way to ensure immediate announcements. There are only a few things covered by the rule you refer to, and your view is too simplistic to make this a useful discussion.