They wants small, light, long life and if the compromise is that its a single unmaintainable slab
Well that's not Apple either as there are many cases of MacBooks with known design flaws such as GPUs which die, capacitors which blow, glue that comes unstuck due to heat, and hard drive cables which fail and instead of replacing the part (which is something that can be done, despite Apple's best attempts) Apple say they can do nothing for you apart from replacing the whole board which will cost $CURRENCY 800-1200 please. And instead of getting it fixed you throw it away and buy another.