Readers of this blog will likely yawn because we have been saying it for a long time, but Safra Catz of Oracle was heard telling her investors
"“We get to keep virtually all of that (maintenance revenue) money,”
and
"Customers pay us for stuff we would do anyways"
As far as Juergen Rottler's comments about high customer satisfaction: I hear the majority of Oracle customer questions are solved by automated, self-service knowledge bases so the customers are really rating themselves.
I would score myself pretty high also :)
And that customer service automation has led to even lower costs which has not flown through to customers, but helps Safra keep even more of that maintenance money.