[pre]

Fermi's paradox says nothing about how likely aliens are to visit earth. It notes that we can't see any sign of them when we look into the sky.

Perhaps the humans don't care about the ants, but the ants damn well can see signs of human activity.

[notahacker]

Would an intelligent ant species living on an uninhabited island identify global warming and driftwood as conclusive evidence of the existence of a higher intelligence causing it?

[pre]

If they have telescopes then the trails from star-link satellites would probably give it away.

The ants in the article were in driveways though.