I had a friend ask why the Oneplus one 3 could possibly need 6GB of RAM. Thank you for providing a possible answer! :)
Given how well React Native tends to work, and I have to be honest, I like the ecosystem structure better than most apps I've worked on in general, I can see it actually working out better in many cases.
Prob not great for more advanced messenger functionality but Face Slim (https://github.com/indywidualny/FaceSlim) does notifications and simple/group chats fairly well.