Heat is not a cost -- no one is physically cooking because they live within miles of a building with computers in it.

Water usage is not a cost with this new technology -- that is what the article is about.

Infrasound is terrifically understudied and should not be discussed definitively based on the findings of a highly-biased amateur, but regardless: fan sound is not a cost with this new technology -- that is what the article is about.

Re:pollution, I suppose all buildings are kinda inherently polluting just by existing. So you've got them on that point!

Most importantly, actually: the person above clearly knows about all this, and was just discussing the benefits on their own. I love me some pedantry (really!) but this attempt seems counterproductive, sorry.