That means people are still buying and using the device. This is a case for returning the product to Amazon/the store you brought it from citing the product is no longer fit for purpose because of changes made by the seller/manufacturer.
If you live in a sensible country (sorry US) this should work.
This only stops if there is a clear and attributable loss of sales/increase in returns.
While I agree with you, they consider it the cost of doing business. That's why the Ford Pinto was allowed to go to market when Ford knew it was deadly. They ran the numbers and decided they would make more money selling the car as is and paying the lawsuit.
We really need to start making the payouts (and thereby the actual cost of such class action lawsuits) more expensive. I believe class action suits are capped and I'm really starting to think that's what we should be targeting.
Fines that don't take a significant proportion of a corporation's yearly income until they unfuck whatever they did are just fees, they're not effective.