And most airline CEOs manage quite well without ATPLs.
Another oddity (climbs aboard a Teetering hobby horse) is the
number of ranks.
The Met (with just about the same number in uniform as the RAF) manage with 11 ranks, which is two more than most constabularies.
The RAF seem to have 8 or 10 non-commissioned ranks (depending whether you count SAC(T)s and L Cpl Rocks) and then 10 or 11 officer ranks (depending whether you count Lord Jock's 5th star).
Nearly twice as many ranks - why ???
[Edited to add:]
Some Police Forces used to have direct officer entry as "Sub Inspectors" with one pip, which is why an Inspector has two.