shrinkflation sucks, it doesn't mean we need to be beholden to it.
* labor (no, price for labor hasn't increased 3 fold)
* transport (no, the price for transport hasn't increased 3 fold)
... still looking for an explanation why prices would increase 3x, and allow the packaging to be redesigned to be 1/3 of the size but with new plastic (as opposed to cardboard/recycled) and be sold at the same price.
if you can lower the cost of the original product, shouldn't you also be able to avoid some shrinkflation/redesign/platicification?
Or, most realistically, it's a combination of all of these - some increase in labor and transport prices, some increase in the producer's margins and some in the reseller's. Not to mention various other intermediaries taking their own cuts.
Or, to put it a different way, the responsibility is on you as a consumer to actually get the best price on whatever you're shopping for. Some retailers can raise the price arbitrarily high, but you don't need to fall for it.