Future of this kind of tech is a company like Netflix, where you can create a custom movie made specifically for you churning out thoroughly mediocre content with abundant amounts of propaganda using a derivative of this tool that the public will absolutely not have access to.
ftfy
Moore's law is ending, the costs of rendering this amount of data will not be cheap(look at what it costs to render parts of existing movies with strict controls). There's a likelihood that someday in the distant future it will be both quality and affordable, but entire industries won't go easy and it's a stretch to assume it'll end up accessible to consumers.