As a reformed retro grouch, I never thought much of V brakes. Stuck with my canti's. Then I got a bike with disk brakes on it. I will not willingly go back to any rim brake in the future. I am faster with disk brakes. They allow me to carry a higher speed further into corners. Scrubbing speed is almost instantaneous, leaving you in a better position to re-accelerate.
But certainly, disk brakes are being pushed so that more money can be made. It's the way of business. Innovation without a profit motive usually ends up going nowhere.