This keeps happening because many companies treat DR (like security) as a risk management exercise. Until this stops, events like this will keep happening. So

This keeps happening because many companies treat DR (like security) as a risk management exercise. Until this stops, events like this will keep happening. Source: I deal with this pretty much every day. I can't go into much more detail but having seen the innards of multiple Fortune 500 companies, it's frankly shocking that things work sometimes. There's stuff that the equivalent of things being duct-taped together etc. etc.