The spec is too use 4 of 24 pins each for power and another 4 for ground. What if you used 16 pins for power? One could even be reckless enough to use 22 pins for power If the ground isn't tied together, but that means you have to take a moment to sense ground.
Maybe you will see 8.5a at the device, but 10a at the source with the cable heating up..
Out of the criticisms I have of Vance, I do have to say that he wears the Trump uniform better than Trump himself.