> (accumulating GPUs is not trivial)

Also like accumulating milk rather than gold.

A approximate failure rate I have been able to find is: https://www.tomshardware.com/tech-industry/artificial-intell...

Which would imply 42% loss over 5 years if linear attrition at 10% failure rate per gpu year.

(((1-(148+72+19+17+6)÷16 384)^(1÷54))^(365)

Dunno how many faults are repairable in practice. The failure rates of CPUs were alot lower for comparison.