I know. Within MLperf, to reach consensus, it was agreed that “dollars are great, but also game-able via price cuts, lets normalize to a reference system”. It’s not the largest box though, it’s one that everyone was able to provide, so that it lets you compare through one level of indirection.
I don’t agree with it, because it makes it so hard to compare to funky hardware (“Should I do inference on this chip from < startup >? I dunno, what’s it going to cost?”). Having to keep going back to some reference box is undesirable, but there’s nothing stopping someone from making a spreadsheet equivalent that translates these to dollars on the cloud providers (harder for on-prem submissions which reopens the “rent vs buy” debate).