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I once spoke to Scott Hanselman [1] on a conference. He is diabetic and also makes talks about IT and diabetes. I liked one point he made: people without diabetes should not buy these products, as it only brings the prices up, meaning that not everyone by can afford them.

Edit: forgot to specify link. 1: https://www.hanselman.com/

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It is complete nonsense. In fact, it is scale that drives competition, and it is competition that brings prices down.

Moreover, the product models for diabetics are different.

Competition is usually good for bringing prices down (basically discouraging price-gouging by the manufacturer), but scale in itself can bring costs down too. The manufacturer has to amortize their development and regulatory approval costs across devices sold.

Or you could say that competition reduces the price ceiling, whereas scale reduces the price floor.

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