I agree with your first statement, and I agree that Fukushima should have been prepared for that size of tsunami, but seriously.
The last one was 300 years ago. They were due.
THAT'S NOT HOW STORM FREQUENCY WORKS
Valve actually SPECIFICALLY recommends against using wifi. Good old copper wires are very much the way to go in a low latency/high bandwidth application like this.
The disks are getting full; purge a file today.