The only people that think Javascript is appropriate for native development, are frankly, people whose only experience with mobile is writing trivial apps. This

The only people that think Javascript is appropriate for native development, are frankly, people whose only experience with mobile is writing trivial apps. This was true five years ago and is still true today. The second you need to do anything complex, you'll find yourself doing a lot of bridging back to native code anyways. And now you have two problems....