Re: Amok Time doesn't make sense.
With Spock as his patient though, McCoy was mostly experienced with a Vulcan-Human hybrid. He has to adapt when working on full Vulcans like Sarek. McCoy's specialty seems to be humans.
Moe: I'll take the blonde!
Larry: I'll take the brunette!
Curly: I'll take the Black and Tan!
--Wee Wee Monsieur (1938)