Would be better to build the data centers under water than to build giant faraday cages.

Free cooling, safe from missile attack, and safe from some types of electronic spying.

Microsoft (Research) beat you to it: https://www.microsoft.com/en-us/research/project/natick/

Still a significantly less dumb idea than space data centers.

I'm imagining a certified scuba diver rubbing their wetsuitted hands gleefully as they dictated that comment