Everything infects your entire stack. If I hire Java, Ruby, PHP etc people then everything from hardware up to personnel is going to be selected to optimise the delivery and execution of software. Kind of common sense that you would do this.

I don't disagree that Oracle costs a lot and that they inflate margins pretty poorly but to say they have no real utility advantage is a bit ridiculous. Most of the world's enterprises are running core business systems off Oracle and if they move to the cloud it's usually to Oracle instances in the cloud not any other system.