Unfortunately each screen technology has limits and good and bad. Nothing perfect yet, who knew?
Every OLED screen has varying degrees of these drawbacks. Samsung has the most experience making these screens. And with Apple specking out what they wanted along with using their drivers and chips, this is the best screen to date.
Color temperature can be adjusted various ways by you. Nothing can be done about color shift at angle, though Apple’s screen has the least shift. Burn in is fact of life with OLED. But again least likely with Apple specter screen.
Read the Full Displaymate review. Some interesting information tucked away in it regarding screens in general as well as specifics about various screens on various phones. Very informative.