They really should be building such things deep underground, at least to offer some basic protection against the various adversaries.
I assume we do too...we do right?
MAD is far too intact with China to bomb random infrastructure with reckless abandon.
Why? I think any attack on China, Russia, India by major power will quickly escalate to nuclear. At this stage everyone will have much bigger problem than worry about datacenters.
Mao tried picking industrial locations for survivability in case of war: https://en.wikipedia.org/wiki/Third_Front_(China) Turns out that places that are hard to reach for the enemy are also hard to reach in peacetime, so the project was ultimately abandoned.