Easy - they ran the numbers and saw the engineering benefits for keeping a simpler chipset that only supported 16GB outweighed the value of a few people getting

Easy - they ran the numbers and saw the engineering benefits for keeping a simpler chipset that only supported 16GB outweighed the value of a few people getting pissed off that there's no 32GB option. Frankly, if I need more than 16GB of RAM, I'm going to want to develop on a box in a datacenter somewhere, not my laptop.