Jeez, cool down a bit young fella.
A reply for the sake of a reply isn't a wise choice always.
Technically, even if your coilovers have adjustable stiffness, you can still run short or exceed the required spring rate in certain scenarios. Again, YOU NEED SPECIFIC spring rate springs even in your coilovers depending upon the application.
Source: Building, keeping, racing, retaining class titles of so many cars that it'll be hard counting.
Cheers!