I have little WB knowledge, but I agree that the basin is no haven for chinook. The Naselle may have some habitat intact enough to propagate a self-sustaining chinook population, but I am uncertain. And North R and Smith Ck as distinct chinook stocks doesn't pass the straight face or chuckle tests.
The more I ponder it, the more I think WDFW, the state, and sport fishermen would be better off if both WB and GH were managed for wild coho only with no hatchery coho supplementation. Coho are very resilient, and as the forests grow back and are managed under the new forest regulations, I think wild coho management would provide a higher return on investment than with hatchery coho in the mix. Hatchery coho just provide a convenient excuse for continued over-harvest of wild salmon. I guess the same can be said for GH hatchery chinook too.
I nominate Drifter to review the test fishery video.