Comment by rcchen

Why? React and React Native are both pretty core to Facebook's main applications these days (all of Instagram is written in React, there's a smattering of components all over the main Facebook page, and multiple Facebook-written applications are written in React Native, including parts of the main Facebook app). In contrast, Parse was more of a dev-infrastructure product that didn't end up impacting developer relations as much as Facebook wanted it to (I'm guessing)