Everything we see now is a result of constant iteration. Creations in science, technology, and art have always relied on an iterative process to make them better. The very fact that I can click a button or tap my screen and get a desirable response is because people have worked on these things for.
Enjoyment is such an ambiguous word. For someone, it could mean eating a delicious cake, while for another person that might be the norm, like eating breakfast cereal.