[moffkalast]

Older hardware tends to be more resilient due to wider traces, which means lower susceptibility to ESD and electromigration. But eventually the last atom will get eroded out of a critical trace and the thing will fail. Nothing lasts forever, especially when made to be as cheap as possible.

https://en.wikipedia.org/wiki/Electromigration

[BirAdam]

Well, all of the components are less sensitive, not just traces. Also, a lot of the old machines weren’t designed to be cheap.