See
https://www.businessinsider.com/amazon-web-services-andy-jassy-roasts-oracle-larry-ellison-2018-11
His target: Oracle Executive Chairman Larry Ellison, whose face was pictured on a giant screen, peering haplessly over the edge of pie chart's tiny red sliver and looking like a cartoon villain in some old slapstick movie.
"These old guard databases like Oracle and SQL servers are expensive and not customer serving," Jassy said later in his talk. "People are sick of it, and now they have choice."