That's somewhat of a departure from the point. (a) Whales have big brains, whales use them for complex behaviour. (b) Brain size is relatively unrelated to co

That's somewhat of a departure from the point. (a) Whales have big brains, whales use them for complex behaviour. (b) Brain size is relatively unrelated to complex behaviour. Kinda "a dog has four legs, a dog uses its legs to run" vs "number of legs unrelated to running ability, my kitchen table isn't running anywhere".