It also raises the bar of what's possible. What counts as "professional level" changes each time some new technique emerges. A skilled artist will always be better than a random person.

The visual entertainment "supply" is not limited by the current state of tools. It's always limited by the skills of the top crop. Professionals are always ahead and hard to come by. The industry's self-regulating mechanism is novelty; what is abundant becomes fundamentally uninteresting and dies.