While it might be confusing for a layperson without a solid grip on evolution, I don't think it's uncommon for people who understand selection bias to neverthel

While it might be confusing for a layperson without a solid grip on evolution, I don't think it's uncommon for people who understand selection bias to nevertheless speak like this. It's just so much quicker to say "they evolved larger beaks so they could crack the new island's bigger nuts" than "on arriving to the new island, the birds with bigger beaks had more success taking advantage of the generally larger nuts and thus were better able to survive and pass on their genes..."