Well, if your business requires running databases really well it might be preferable to run your own. If they were using RDS they would not have been able to ge

Well, if your business requires running databases really well it might be preferable to run your own. If they were using RDS they would not have been able to get this level of insight into their infra. Maybe RDS is already configured correctly. Maybe not. But at a certain scale not having your hands tied becomes more valuable than having everything taken care of for you.