The dice product, which is the latest version of a SKU that's been around for about four years, is intended for the book trade.
I actually found it in a comic & game store, not a true book store, so there is at least some crossover.
Have a look at how much unrecyclable packaging rubbish your groceries generate in one week--and you're unhappy that a dice product, that you're going to buy once, has a few grams more cardboard than it could?
Like I already said, I'm probably oversensitive because of what I saw in the early days of the CD trade.
But also, just because a problem is small, doesn't mean it escapes examination or critique- "Everything counts in large amounts." as the song goes. Besides, some of the smallest problems in the world are the easiest to fix...so why not fix it now.
Anyway, lets look at the context.
The dice are overpackaged, maybe not by much, but they are.
The Character folder was both overpackaged and misleadingly labeled.
The 4Ed Core 3, if you pre-ordered them at least, came in a cardboard mini-binder, as did the 3.XEd ones- again, pretty much unnecessary.
It seems to be a trend- one that is counter to the course of the bulk (pun intended) of packaging decisions by most major consumer goods producers these days. (The ones I studied for my MBA, anyway.)
Compared to my groceries?
Well, I generally use linen bags, unless I have a real need for one of the other kind. (And in addition, some stores around here have incentives that encourage this- like discounts if you bring your own bags.)
The metals in the canned goods are recyclable, as are my Mom's soda cans. We don't buy plastic bottled water except for in large (multiple gallon) containers for emergency supplies- we do live in "Tornado Alley," after all. For daily drinking & cooking water, we either use the tap and/or our filter. Its also the way we refill our reusable insulated workout bottles.
The goods I buy that are packaged in cardboard are generally either full to the top or packaged with airspace to prevent product damage- cereals, mainly.
We reuse the glass jars from things like pickles and preserves.
And I'm not claiming to be a "greenie" either- its actually quite difficult to recycle where we are, and composting isn't allowed by our HOA. (Not that we have room for that anyway.) But we do what we can. For a household of 4 w/2 Border Collies, we toss about 2-3 bags of garbage a week, on average.