I think at its root, the general idea of shrinkflation is that some desirable attribute of a product - quantity or quality - is slowly eroded while keeping the price the same. As a way to either increase margins, or preserve the price point. With there being some insinuation of malice, where the company is theoretically (...probably fully intentionally...) hoping consumers don't notice, at least for a while, that the deal keeps getting altered.

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acdha 2 hours ago | parent [-]

I think that’s right, with the ire coming from the perception of being cheated somehow. There’s a fair group of people who think anything other than changing the price or the product name is deceptive, and they’ll keep talking about it that way even if other people don’t see it as worse than a price increase.

	▲	wat10000 an hour ago \| parent [-]
		The ire comes from the actual deception. Why do companies make products worse rather than bumping the price? It's not because they think that's what people prefer. It's because they hope that at least some buyers won't notice the change. People think it's deceptive because it is.