intersting post on Archdaily, our answer is; NO!!!!
Rendering is a way to analyze how success a project can be. It is also a way to communicate with clients. A good image of the completed project or a good rendering image are both important to the architects nowadays. It is hard to sell any big ideas without any type of visualizations. Renderings are the first step to put ideas into the real world. Checkout our work at www.splendid4d.com.