Cloudflare is down and hundreds of well paid engineers spring into action to resolve the issue. Your server goes down and you can’t get ahold of your Server Person because they’re at a cabin deep in the woods.
Two is one and one is none.
The latter is easier to handle, easier to fix, and much more suvivable if you do fuck it up a bit. It gives you some leeway to learn from mistakes.
If you make a mistake during the 1000 dog siege, or if you don't have enough guards on standby and ready to go just in case of this rare event, you're just cooked.