I think also to a degree, even if someone knows those other water use figures, it's easy to see an intrinsic value to the community from those sources. Many people do not see much value in pushing AI to such a degree where all this new compute is required, and others see a negative impact from this activity. It's much easier to argue against something you feel is wrong or bad than something that is arguably crucial for day-to-day life like electricity and staple crops.