I would not put OLEDs for the reasons you mentioned, but also because it would drain the battery in 1 day vs 1 week.
Steel is likely better and surely stronger, but manufacturers charge 2x more for steel alloy machining. At that price level, titanium also becomes an interesting option.
Steel is likely better and surely stronger, but manufacturers charge 2x more for steel alloy machining. At that price level, titanium also becomes an interesting option.