I think the trouble is where a computer’s power use differs from a car’s fuel use. Almost everything affecting fuel use in a car is observable by the driver. T

I think the trouble is where a computer’s power use differs from a car’s fuel use. Almost everything affecting fuel use in a car is observable by the driver. Terrain, speed, load, &c. But while many things that affect battery use are observable by the user (streaming a movie, compiling, &c.), some are not (background tasks). Also, there’s a much broader distribution in the expertise of users in judging battery life, than in the distribution of expertise in drivers judging what will and will not affect vehicle range. I would not want to use the expertise of anybody on Hacker News as a proxy for the expertise of Apple’s median customers.