But if the demand drops for six months, the manufacturers are going to scale back production.

If it drops for a year, they're likely to start shedding capacity, one way or another.

This is not an equivalent situation. The vast, vast majority of what's being produced for this bubble is going to be waste once it pops.

I guess you could at least mine the boards from defunct AI companies for memory chips ? Latest videos from Gamers Nexus showed it is apparently not that hard to transfer memory chips from board to board.

Then you can leach precious metals from the PCB itself.