Yes copies were made. The files were downloaded, one way or another (even as a hash, or whatever digital asset they claim to translate them into) then fed to their machines.
If I go into a Ford plant, take pictures of their equipment, then use those to make my own machines, it's still IP theft, even if I didn't walk out with the machine.
Make all the excuses you want, you're supporting the theft of other people's life's work then trying to claim it's ethical.
Yes, it was.
One human artist can, over a life time, learn from a few artists to inform their style.
These AI setups are telling ALL the art from ALL the artists and using them as part of a for profit business.
There is no ethical stance for letting billion dollar tech firms hoover up all the art ever created to the try and remix it for profit.