I've read DK's book and played both courses.
And well.... I do SORT OF get what he's saying. It takes a wild leap of imagination, but try to picture Yale without any of the trees, and block the ocean of of N. Berwick... The terrain, rolls, etc. are indeed sort of similar.
Ah, screw it - even that's a huge stretch.
Darren, please do set us straight here!
TH