ʻOumuamua is a fascinating object, and certainly deserves further investigation. How could we discern design from non-design?
Adam Frank (University of Rochester) interviewed fellow astrophysicist Avi Loeb (Harvard) about the future possibility of detecting “techno-signatures” from space.
He asked poignantly in A Brief History of Time, “What is it that breathes fire into the equations and makes a universe for them to describe?”
Never fear: whatever our purely hypothetical response to a purely hypothetical event, it can be reconciled with evolution.