To paraphrase: "The device functioned as intended so now I hate It".

The developers of this product don't deserve this blog post, especial when the feature in question is a paid extra that requires setup.

The blog post illustrates that applications of technology can have unforeseen, unintended consequences (even though it may appear obvious in hindsight). Regardless of whether the device works as intended, the non-technical but human question of whether it should function that way in the first place is a valid question to pose.

That's a pretty poor paraphrase. He has realized some troubling implications of using this type of device and wrote about it.