Totally agree with you.
I used it on my previous (sic) 2006 Honda Civic coupe and I don't have to use the wipers at all, except when it was not raining anymore due to the dirt projection of other cars.
Even with the car covered by water, you could see between the water drops and reaching about 60kph (35 mph), there was nothing left on the windshields (front and rear).

It still works on the Rogue but not as efficiently, not same aerodynamic.

Just do it once every 2-3 months (or when it is not performing anymore as you want) and you are good to go. Great product.