The poster is wrong about what constitutes a copy (for the purposes of distribution). The temporary copy that resides in your browser's memory, or local caches,

The poster is wrong about what constitutes a copy (for the purposes of distribution). The temporary copy that resides in your browser's memory, or local caches, aren't considered violations unless they are publicly accessible. I would put the same criteria to the copy made for the purpose of AI training. As long as you have the right to view the image, you would also have the right to ingest that image using an algorithm.