It’s the bottles. Green glass allows more light penetration than brown bottles and that can make the beer skunky.
Cans are the way to go for Vt craft beers. Glass bottles for the California style. Colorado brews and Wyoming beer is best served on tap.The acceptance of this knowledge and the technology that helped bring small compact and even mobile canning lines is what helped explode the craft beer movement. The investment and upkeep/maintenance of a bottling line is very pricey, let alone the fact a canning line runs 10x faster and is ultimately doing a better job purging any oxygen out before sealing.