Article for context:https://www.theverge.com/2023/9/12/23870522/iphone-15-pro-max-thread-smartphones (Ik that I am talking about multiple companies when I refer to android companies but many singular companies make more innovations in the phone space compared to apple)
Why would I want a folding phone? I want my phone to be as rigid as possible.
Hiding the front cameras is the only real innovation I guess, but Oneplus managed it in 2019 with the 7 Pro so it's not exactly a recent innovation.
Screen real estate? Also see here.
I think he was pretty spot on, but didn't touch on one of the most important issues. You have to be careful with the inner screen. Keep the nail tappers away, watch how you press to fold the phone, etc.