Because that's how grant peer-review works? Who will compose the review panels for this funding? Mostly the same people who already compose the review panels for existing NIH/NINDS/etc. funding mechanisms.
I can only guess that you find this paper convincing.
The nanoprobe and "complex emergent properties" stuff at the beginning are a bit hand-wavy, but the concrete 5 and 10-year goals are sufficiently ambitious while certainly not outlandish.
