A much more comprehensive article on this subject is here:

https://blog.andymasley.com/p/the-ai-water-issue-is-fake

Discussed here:

https://news.ycombinator.com/item?id=45946966

I was really into Andy's blog when it first came out, but he might be doing the same motivated reasoning he complains about everyone else doing.

https://blog.andymasley.com/p/data-centers-heat-exhaust-is-n...

> The one remaining question: why the clean step change?

In the middle of this piece, he runs into a critical flaw in his reasoning and just shrugs it off.