Aside from the fact that this was obviously never viable and the entire problem is clearly unsolvable if you sit down and really probe it for fifteen minutes, what I find most frustrating about this is that the false promise of preserving photos as reliable evidence is actively harmful. You will not build a perfect system, or even something near perfect. The best you're going to do is make it so that it's hard to cas…
I think it's useful even if it can be spoofed. Many people don't even bother to edit visible watermarks out of AI photos/videos. I'm fairly certain this will defeat 99.9% of malicious users, many of whom won't even know it exists until someone points out it's missing. People are concerned that the technology will lend additional credence to the last 0.1%. But anyone who thinks about the technology for 2 minutes will…
Malicious users don't need to root their own phones. They just need to go to fakemyimage dot com, and someone else's rooted phone in a clickfarm-type setup signs it for them. I am not operating such a service myself because I thought it was unnecessary in making my point, but perhaps I will have to reconsider.