Tech. optimism is predatory on the generations that follow if they turn out to not happen. And I don't know how many cameras on the back of your iPhone before

Tech. optimism is predatory on the generations that follow if they turn out to not happen. And I don't know how many cameras on the back of your iPhone before you realize it still only takes 2D photos? I think you need to understand the "at scale" I added everywhere. All the solutions you googled are by companies that can make it work in a prototype... but when they try to replace dead trees they all fail...