His Arrogance may have helped build Oracle to what it is today, unfortunately he believes his own FUD so much he is not looking reality in the face. If you are looking at cloud you are generally not looking at a homogeneous stack.
If a service is running in the cloud the end user/customer does not give a flying f* which database is running in the background. All they want is
a) A service that provides the functionality they need
b) A service that meets the SLA
c) The ability to chop and change quickly between rival services