Statement: "There is no indication that the human brain cannot be modeled as a turing machine"
To disprove this, evidence to the contrary is required. It's not at all the same as saying "The human brain can be modeled as a turing machine". In that case they would need to prove that.
We simply do not know. Humans cling to their idea of somehow being "special" very hard with thought experiments like chinese room, and at all points neglect that there is no evidence that a human brain is actually different.
Generally I'd argue that the continuous nature of animal brains makes them quite fundamentally different from the very much discrete states of anything we program, but that still doesn't mean it'd be impossible to simulate.
Because there's like 10000 things wrong with AI and we don't need to blow a comparatively minor (but still fucking dumb given how little we really get out of it, plus the fact that many AI datacenters do use municipal water supply which is kinda horrid) out of proportion. Particularly because this minimizes how much water we already use in general, which is a massive problem.
It's also just a sensationalist, intentionally misleading headline, and that's not something I want to leave unadressed ever. Shitty journalism is a huge part of how the world got into this state in the first place.
If you think sticking to facts is "minimizing harm" then idk what to tell you. The claimed 1 billion people have the same water use as around 100 million us-americans, going from the cited water use figure for AI in 2030. Home water use only, which again is usually <10% of total water used for everything consumed.
None of that means it's not one of the dumbest possible things to use this much energy (which is most of the water use) on.