Inertia, group think, marketing, FUD, and "no one ever got fired for buying X" is INCREDIBLY powerful. At this point even the not-infrequent public cloud outag

Inertia, group think, marketing, FUD, and "no one ever got fired for buying X" is INCREDIBLY powerful. At this point even the not-infrequent public cloud outages are essentially shrugged off with "Eh, we use $CLOUD, that's what everyone uses. What are you going to do?" The ops team can actually say "It's Amazon, not our problem." while they sit around powerless to do anything about it. Yes there is the "survive anything AWS related" geo-distributed multi-region approach that you pretty rarely even see because it itself requires an army of AWS experts and drastically increased cost to actually implement and operate while not shooting yourself in the foot left and right - actually decreasing reliability. Not to mention the uber-unicorn "multi cloud" which at least I've never seen or actually heard of in practice. These don't usually survive even an initial cost review.