alt Hacker Newshindsight is 20/20.
I do agree with this sentiment. At the same time, it’s still unacceptable for a global service like MS365 to go down for extended periods of time. I wouldn’t be surprised if the hotel chain was sold on some MS guarantee that it would never become unavailable.
Although I would also believe a scenario where the hotel chain "IT” (aka the owners son or grandchild) just used default alert settings and didn’t bother to setup fallback alerting mechanisms.
In short, all parties suck here (MS and hotel)
Hindsight is 20/20? Bullshit. Safety critical systems should not rely on transport layers that are guaranteed to fail. Email especially! Physical alarms are the way here. The email should be for convenience and to inform higher-ups.