> for some reason our brain loves filling the silence with junk

Natural selection might pick for this trait because if you can gather and evaluate and otherwise process a large volume of information you might be able to better find food, avoid getting eaten, and finding a mate to mate with.

executive function and intuition filter, but you need a bunch of data to feed on.

Picture yourself in a location where getting eaten is problem.

Now intersect those locations with internet coverage.

Your statement didn't make much sense anymore