Why would you buy and build everything before the low probability catastrophe strikes, though? You don’t get any benefit from switching early and you pay a big opportunity cost.
because as soon as it strikes computer hardware will be completely unavailable to buy?
Because you will not be the only one struggling to get the hardware in the "unlikely" case the POTUS blurts out another fart.
> low probability catastrophe
There is also a low probability that someone enters peace negotiations solely to threaten the negotiators with death, yet here we are. With these guys it is: Better safe than sorry.