Medium does not allow me to write comments to comments to comments. So, here's mine. You may be right that processes are decisive in a product's ultimate success. The iPhone, although based on a solitary man's vision, became successful since it was the culmination of a tedious process of sorting out all the functions Steve Jobs demanded it should feature. Another company would have settled for less. In that sense, the ‘process’ is the actual eating of the pudding whether an idea can be taken to the next stage of development. Nonetheless, here are some more epiphany-based inventions or innovations: https://medium.com/@sevehicle/if-it-lacks-common-sense-hi-tech-wizardry-has-no-merit-ad6680229442
It also serves as a warning for wishful engineering (processing and hoping for the better, so to speak) in itself can never be a substitute for bright ideas.