https://www.top500.org/lists/top500/2004/11/ and https://www.top500.org/system/173736/
And while 1100 Macs wouldn't exactly be affordable, the idea of trying to limit commercial data centers gets amusing.
That system was "only" 12,250.00 GFlop/s - I could do that with a small rack of Mac M1 minis now for less than $10k and fewer computers than are in the local grade school computer room.
(and I'm being a bit facetious here) Local authorities looking at power usage and heat dissipation for marijuana growing places might find underground AI training centers.
For example: https://commons.wikimedia.org/wiki/File:Cat_August_2010-4.jp... would get classified as /r/standardissuecat
https://stock.adobe.com/fi/images/angry-black-cat/158440149 would get classified as /r/blackcats and /r/stealthbombers
Anyways... that's my hobbyist ML project.