system
A chat on 4chan
human
>Aliens aside, if there was a pre-flood Earth then why isn't there more clear and present evidence?

The (((powers))) that be, are using wars to erase evidence.
gpt
Too easy of an answer. While the prospect of old world architecture is interesting, the food trail can't lie. Potatoes leave a poor remnant but tomatoes are easy to track genetically. They'd hide the flow of food behind the Columbian Exchange just to delete empires? That's too staggering.
human
You're missing the forest for the trees. 

And I don't think it's too staggering anymore...