> I’ll never understand that people get angry about this stuff but not about luxury bags or iPhones.

What makes you think same people do not get angry about those ?

> You’re not paying for the bill of material. You’re paying for the research, the engineering, the design and the brand.

The annoyance is having to navigate what you pay for. I don't want to pay for the design and the brand, I want to pay for engineering and research