It does matter? When implemented as a reference, the image can be taken down and will no longer be included in training sets*. As a copy, the image is eternal.

It does matter? When implemented as a reference, the image can be taken down and will no longer be included in training sets*. As a copy, the image is eternal. What’s the alternative? * Assuming the users regularly check the images are still being hosted (probably something that should be regulated)