It looks like Microsoft is pursuing React Native as an alternative to Google's Flutter.
It may be strategic for them to take that role and hire folks to work on React Native, either a MS fork, or as part of a conjoined effort with Facebook.
FWIW I think you guys should put out a major call for help to other companies and add more non-FB people to the core committers.
React Native is fantastic, but the ecosystem is thrashed around horribly by these kinds of bugs and the non response from Facebook for things that impact most of the non-Facebook open source ecosystem around React Native.
It may be strategic for them to take that role and hire folks to work on React Native, either a MS fork, or as part of a conjoined effort with Facebook.