What’s likely to happen is people are going to invent whole new media that will use this. Incredibly elaborate interactive and personalized experiences will be made possible by this. One person will be able to deliver a huge amount of value, and they will be rewarded accordingly.
Think back to the 1980s. Programmers were in very short supply, and the work they were doing was less accessible and more difficult than it was today. IDEs, version control, better languages and frameworks, easy access to tools to learn to code, Stack Overflow, etc. made programming much more accessible and engineers became much more productive. The number of programmers out there is orders of magnitudes greater than three decades ago. Yet real salaries have still grown tremendously. The value per capita has grown even faster than those salaries because they’re so productive.
The same thing is going to happen here. Artists will build unimaginably huge, complex projects (on the scale of Google/Facebook/Amazon), and the world will gobble them up.