Ehh. I speak as a pretty long-term WP-oriented developer who is no fan of WP Engine for reasons that are defined by having used their product when I say:
This was the only sensible and just outcome.
The "Secure Custom Fields" thing is one of the most egregious things to happen in open source for at least a decade. Just crazy.
Hopefully Matt understands he has become self-limiting and steps back from some of his positions/takes off one of his too many hats.