Just what useful information could Old Spock have given him?
"His pattern seems to suggest 2-dimensional thinking. Now does that help you in any way?"
"He has a temper problem and can be easily riled up. Oh, just like you."
"We beat him by shooting his ship to pieces. Like he just did with yours."
"We gave him Phasers instead of Genesis! Give him torpedoes instead of torpedoes!"