That is one unspecified advantage of the "paved surface" bonding. You are creating a Ufer ground electrode at the pool and that will mitigate most stray voltage problems by minimizing ground shift.
I often wonder if these stray voltage problems at a plastic pool could have been fixed with a couple ground rods but when you bury that #8 solid you have just made a ground ring.
A concrete pool will always be your best ground electrode, like it or not. By the time you do all the required bonding on a typical "caged" pool, you have included your pool in the ground electrode system anyway.
