The SEETI thinkers are looking for signs of intention. Even in global death, they believe they could separate natural causes from intelligent causes.
It’s the evidence from Sagan’s fiction and other popular writing that is especially provocative.
Most SETI advocates stringently oppose intelligent design even as they rely on it.
Steven Novella is a Yale neurologist who has consistently denied that ID is a valid scientific inference.
Here’s another “incredibly fortunate” thing about the Cambrian explosion and about evolution generally.