What rail, road or bridge in the US lasts 50 years? The maintenance of rail over 6 years costs more than replacing all the GPUs in a data center, even at their current markup.

have you seen our rails, roads and bridges?!? 50 year old ones in many places are being referred to as “new ones” :)

the only reason any “maintenance” on them is expensive is corruption which at municipal level rivals current administration in some places