I think all depends on the project. In ur case a Coursera app would be easy to do even with video play back. But issues seep in when you try to do complex featu

I think all depends on the project. In ur case a Coursera app would be easy to do even with video play back. But issues seep in when you try to do complex features and their bugs and implementation. My 2:cents would be time box your react native implementation and decide if it's worth it.