If it didn't take a team to design what you use then it probably won't take a team to design a fallback. But the difficulty doesn't excuse not doing it, if you don't have a fallback for whatever you pick, pick something simpler.
Ideally we keep stuff running, but I don't want to be the kind of person who just tells you that we've got it. You need to know your airbag might fail so that you take your seatbelt seriously.
Not every cloud customer has a dedicated admin team, some even don't have any dedicated developer teams. They simply wanted a website done, contracted someone and they uploaded some HTML to a cloud instance.
Sure, if you're a large company, it makes sense to have redundancy. If you're running a small company with some esoteric webshop to serve AFK customers, it makes less sense.