I wonder how it looks when you're driving behind someone with one of these and it goes off. Would it be powerful or surprising enough to distract a driver or ca

I wonder how it looks when you're driving behind someone with one of these and it goes off. Would it be powerful or surprising enough to distract a driver or cause a temporary blind spot? Also, I'm surprised there are no provisions in the legislation to make illegal any system that would render speed cameras ineffective. Why would laws be written without those provisions?