Apple has spent years promising (and delivering) a pro-level camera experience on its iPhone, and for proof of Apple's success on that front, you don't have to look very far.
Steven Soderbergh shot the entire 1 hour and 40 minutes of his feature film, Unsane, on an iPhone; Sean Baker's Tangerine was shot in 2015 using three iPhone 5s; there's a high chance that the YouTube content you have playing in the background as you're reading this was shot on iPhone; the list goes on.
