I have to agree. It was really interesting that they highlighted that nearly 2/3rds of their engineers would use React Native again. I also assumed that the last part of the blog series was going to be mostly fluff / product announcements, but their efforts in server side rendered native screens and drastic reductions in build time are legitimate takeaways from devs who are used to development cycles at React-Native speeds.
Ah, my mistake, it should say "server-driven," which is more accurate. The view isn't actually rendered on the server, it just seems to be sent over in a declarative format, which the client then renders into a native view.
Sorry if the short response seemed rude. No is the answer to both of your questions.
RN isn’t just “HTML in a webview” like PhoneGap or Cordova: elements are actually rendered as native UI components. E.g., a <Text> element becomes a native UILabel on iOS and a TextView on Android.
The vast majority of the 100 always have been and are still Android and iOS devs. React Native never made up more than 10-20% of our mobile engineers and many of them came from Android or iOS backgrounds.