>In addition to the data, rose87168 shared an Archive.org URL with BleepingComputer for a text file hosted on the "login.us2.oraclecloud.com" server that contained their email address. This file indicates that the threat actor could create files on Oracle's server, indicating an actual breach.
Oracle probably should have just admitted the validity up front.
It's not like there are any real penalties to a breach. Lying about it is probably a worse PR hit than the breach itself.