Not all services can be load balanced in this way Live migration of VMs would have been a better option, which was brought up in the reddit comments and dismis

Not all services can be load balanced in this way Live migration of VMs would have been a better option, which was brought up in the reddit comments and dismissed because HyperV live migration is spotty. While I'd have to agree with that assessment, it isn't so spotty that what they actually did was less risky.