[mcbits]

It could be a problem if it hallucinates the wrong license plate number at a crime scene. If all you want is a gigantic 8K resolution stock photo of a woman holding her baby in front of a laptop without devouring 10 MB of the user's data cap, it may be fine if the woman has a slightly different (but still highly detailed) hair style.

[skybrian]

It would always decompress the same way, so for artistic purposes, if you preview it and it looks good, it is good.

But if you're using photography to look at things in the world, that's a whole different story.