If you are correct then your consultancy can stand to make hundreds of millions and save companies billions on their Oracle instances! More likely, though, is

If you are correct then your consultancy can stand to make hundreds of millions and save companies billions on their Oracle instances! More likely, though, is that Oracle users use Oracle-specific flavors of SQL in lots of legacy apps that no one wants to touch, and rely on the support contracts for continued assistance in keeping the database performant for its query load.