Scent Blocker - There is nothing that will block your scent if you are upwind. Everything will if you are downwind. So is scent blocker for still conditions only??

Camo - Camo is part of fieldcraft. I agree that most camo is too dark, trees also have heavy shadowing. Matching camo is maybe mostly for the hunter. I've killed many animals without camo, but I hope to get my first deer in camo this year!!