I don’t know what a cosmic evo is, but I picture Gram Parsons or the Nitty Gritty Dirt Band (before they went pop).
I’m not sure how you intend to discredit a biological theory with an entirely unrelated theory about the cosmos.
The point is, distant starlight was once a sticking point for biblical YECs, now it’s not. As a matter of fact, Dr. Humphreys has made a number of accurate predictions with his white hole cosmology, whareas the cosmic evos completely struck out on the same. If you want to know what I mean when I refer to the cosmic evolutionists, take a quick look at the following:
http://www.tufts.edu/as/wright_center/cosmic_evolution/docs/splash.html