Thanks for the sincere reply. However, I feel that you avoided the question. There are plenty of projects, actually an infinite variety of things that are fun to build. I make generative line art with a pen plotter. It’s great.
But why this? Why make a tool for anyone to impersonate another person on video calls? I apologize for the cynicism, I actually really hate that my first thought was that this is a tool for scams. But, it’s hard not to see how useful this would be for deceiving people.
The tools for scams are already built and in use, and they're way better than what I'm seeing here. The only example I see with a real photo is a static photo with a mouth wiggling and no other movement. The rest are cartoons, with a similar effect.
I get the concern, but squelching fun use cases isn't going to prevent people from building the bad ones or even slow them down.
I have avoided posting a how-to on YouTube, in part because tech like this could be used to impersonate me. By creating a fake persona with fake voice (this one doesn't do that) we can make those videos.
So the way to not be impersonated is to use the same tools to be a fake person!
People don't have to like what you like and they don't need to give you a justification either. Your tone is needlessly antagonistic and dismissive. Not to mention patronising.