Given how long they’re viable for (obsolete GPUs in 2 years or less, high likelihood of needing significant retooling for the next gen) you can’t mothball them. Given how few exist in any way other than on paper there will be little to bulldoze. On the plus side counties are scrambling to decouple their economies from the US and hopefully it’s just the trickle before the flood, so when the US economy tanks from the AI bubble pop it’ll have less effect on the rest of the world.