It's yet another take on the "regular modern human gets teleported into a magical world and becomes super strong because he has knowledge" trope that is all over the place in recent animes.
That being said, it's an interesting point of view. The character goes so far as taking personal a fight against a "golem plane" solely because he fears that the invention of planes will means that this world, like ours, won't have mechas. He doesn't have a care in the world but to use magic as a means to program mechas and completely disregards the fact that magic should be exciting in itself.
