The parent poster is saying (and I agree) that Airpods and Airtags are only superior because Apple anti-competitively privileges their integration with iPhones. It's not that they are better at the hardware level by itself.
And since iPhones form the largest single company's device network in the rich countries, that is a pretty big advantage.
And since iPhones form the largest single company's device network in the rich countries, that is a pretty big advantage.