[nl]

It's not simply a given that using copyright material to train a model is copyright violation.

In my view it isn't. No one image contributes a significant amount, and the process the machine is doing it analogous to that a human does when the human learns.

[incrudible]

It is likely legal, but is it ethical? If it is not ethical, should it be legal?

We do tend to treat humans differently based on them being sentient beings with a limited lifespan, not machines.

[nl]

I strongly (actually very strongly) feel that it is ethical.

I also feel that the act of producing plagiarized content is unethical, immoral and I'd be supportive of new concepts in intellectual property law that make it illegal too.