No. I only gave you small examples. For example, system margins and guides are not taken into account by the RN layout system, causing apps to look non-native.

No. I only gave you small examples. For example, system margins and guides are not taken into account by the RN layout system, causing apps to look non-native. Almost everything is implemented reinvent-the-wheel style in RN, which makes it uncanny valley (and thus, very easy to spot).