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You can’t see the cables from the surface. If the maps don’t include them, which was a point I already made, they may have no idea at all what they’ve done, and they may not have any reasonable way at all to predict it. There’s almost 200 million square miles of ocean. How likely do you think it is to drop anchor on a cable? It’s not a reasonable concern a huge portion of the time, and, again, I’m not convinced they know they’re there.
I use a relatively low spec KVM VPS on another continent. Remember, kids, if all your backups are in one location, you don’t have backups. You have copies.