These with kuberneres is a powerful combo. If you're running some latency insensitive background processing you could spin up a cluster with three of these, and kubernetes would handle all the self healing and recheduling that happens when one goes down.
As it's cheaper you could buy more compute power as well.
There is 0 actual explanation of how to do this, and reads like an ad for this service.
This is blogspam in my opinion.
The actual link should go to https://cloud.google.com/preemptible-vms/