Larry Ellison a few years ago arrogantly stated that Jeff Bezos and the team at Amazon will never be able to leave Oracle because the Amazon Database infrastructure could never match that of Oracle's.

Larry Ellison a few years ago arrogantly stated that Jeff Bezos and the team at Amazon will never be able to leave Oracle because the Amazon Database infrastructure could never match that of Oracle's. We've heard similar stories from Teradata, IBM, and even Amazon to others.

Question:

Why do vendors have such an arrogant position about their technology once an organization invests in a data systems.

300 words, APA