I wonder if its a temporary effect. My hypothesis is the area will adapt to non-human presence and adjust species, plant types, etc over time.

This makes sense, and a another good argument against monoculture farming.

Anecdotally, we have friends in a inner suburb of Tokyo who say there's been a surge in Tanuki hanging around the neighborhood. Apparently they've been attracted by people land-banking - growing small quantities of permission trees on vacant land so it counts as a 'farm' to avoid vacant land taxes, then not harvesting the fruit because it's not economically sensible... the fruit then attracts wildlife.

Fascinating. So in essence symbiotic systems are collapsing. But that's not to say that no Wildlife will be present just different Wildlife wouldn't it?