Alphazero was coded by humans, some human figured out you can isolate GO into an algorithm. Human intelligence did that.

Alphastar for starcraft 2 required a lot of tweaking by the original creators.

The game destroying AI's can be beaten by a human controlling an opposing AI.

The human is the only source of intelligence that exists. Mathematics in programming always ends in an infinite reduction from the initial broad premise, otherwise it overflows and crashes.

Computers don't have 'intelligence'. They are number machines programmed to mirror the best mathematical concepts we know.