This created controversy within the organization because many workers and environmentalists have requested a more environmentally-friendly packaging, which would have eliminated the aluminum wrapping and replaced it with biodegradable materials.
One of the most visible uses for unbleached kraft pulp is to make brown paper shopping bags and wrapping paper where strength is particularly important.
Now, its just an intentional throwback, wrapping everything in intentional artifice to preserve something that was appealing for being primitive and not particularly thought-out.