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There is more to the real world than running webshit behind VM clusters.

Real businesses still run legacy file/print services, license daemons, proprietary applications. Some still run on bare metal.

You need outage windows. You can't just YOLO it and update prod during the day, it's unbelieveably irresponsible.

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Well then, it's a business decision to accept the risks. IMO it makes sense that a percentage of machines would always be offline for maintenance. If you're running bare metal and you cannot afford 10% of your machines being offline at most times, then you're in deep shit if there's even a tiny traffic irregularity, and it's a sign that your management is YOLOing the company. Not uncommon though.

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