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en.wikipedia.org/wiki/No_free_l "It follows that not all of 'no free lunch' theory applies to physical reality." reassuring I guess?

I've been reading about machine learning this week and orthogonality may be related to the concept of "capacity"

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the complexity of the problem determines the ideal capacity and therefore complexity of the solver

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so the optimal "capabilities" depend on the problem ("goals") - the two are very entangled and not orthogonal at all

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does our own intelligence mirror the complexity of our world, the hardness of our problems? and what about ants, anthills?

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or do other factors still dominate, e.g. cost of growing a brain? what happens when we make our world more/less complicated?