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There is a bit of a difference between the likes of AlphaZero and what your average hobbyist programmer is going to cook up. Once your toolbox includes bits like 'custom hardware' the equations change. Also: that was still a wicked fast machine in terms of the number of positions evaluated by any normal standard.

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Certainly AlphaZero was run on very fast hardware and lots of it. Nevertheless, I think it shows that the days of "speed is all that matters" is over. It did substantially fewer evals than stockfish and still crushed it. LC0 is the same way. Neural network chess proved that a higher quality, much more expensive, eval (with a very high quantity baseline, to be sure) is a viable strategy for a chess engine.

It still would lose to brute Force with minimax

That’s simply not true for the same amount of hardware, or else that would be all that chess engines do

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