This post could do with more specific references, and fewer generalizations and hand waving.

Hephaestus was the god of the forge, smithing, and techne - yet he used magic to make many of his elaborate contraptions. Steampunk is a popular subgenre of sci-fi that blends the relationship between technology and magic. Tolkien opposes the technology of Isengard to the inherent magic of nature, but so does Miyazaki.