Yes, Flat UI has its place and not the only way forward. One thing everyone is missing is the author's statement about all knowing Jonny Ive being and an expert

Yes, Flat UI has its place and not the only way forward. One thing everyone is missing is the author's statement about all knowing Jonny Ive being and an expert in industrial design. UI design is a whole new beast.... That means having a UI with only 10 shades of grey will be the best look