Any man you sample most likely has more than the average number of testicles, but fewer than the average number of ovaries. No problem when dealing with individuals.
No. But I didn't think it was that bad in the first place. They offer a product for a price. As a customer, I'm free to take it or leave it based on merits. I'm not familiar with this model, but at least one thing must be true.
1. A competitor offers an alternative product at a better price. 2. Sennheiser produces these more efficiently than anyone. 3. All alternatives have similar margins. 4. No other manufacturer has a similar product.
Whatever the case may be, it will inform the rational comparison shopping process. This is a discretionary item. There's probably some economics name for this, but it's not insulin. Sennheiser isn't coercing anyone.
No disrespect to Mr. Cook and his formidable achievements, but A LOT of the „value“ increase comes from the monetary policies in the zero interest rate economy.
On top of all other advice here: choose your learning material wisely. Ask the existing communities to point you to the best resources for your objective and skill level, then use those resources for a fast-track dive into the topic rather than wasting your time on less helpful material.
How would your method work on that?
My point being: statistics has developed arcane methods to describe a population. One should not blindly force the most common measure on every case.