The “science of purpose” is new to the analytic framework, and is thus obliged to make the case for its claim to validity.
Orcs were made from elves, not the other way around. And that is not my subject here. Beauty comes first.
Did evolutionary theory contribute anything to this study? The authors speculate briefly about “co-evolution” of flowers and their pollinators.
The SEETI thinkers are looking for signs of intention. Even in global death, they believe they could separate natural causes from intelligent causes.
Wherever you look in the fossil record you stumble upon problems for the Darwinian story and evidence that is better explained by intelligent design.