All good points. I only test and tune my car though and it is a street car. If I sign up for a bracket someday, then I can see being forced to just use water. I drive it in the winter though if the streets are clean enough. I had it out in January when it was 0 degrees out. I go to the street car events at the track and I just don't see an antifreeze ban being accepted, and wouldn't it also kind of take away from it being a "street car" event? I suppose if the car has racing tires on it though, then it should be properly race prepped which would inclde no antifreeze in my book too.
Thanks for the input.