This part of your excellent post caught my eye because I've been wondering why any manufacturer would include an A/C charging systems in products that support USB-C charging. I mean, even if it's a modification of an older unit (so space and circuitry are already in place for the A/C setup), they could presumably reduce costs by simply not installing those parts. And, I (as a user) certainly don't want to lug around the A/C charging unit/wires. It also gave me a slightly negative impression of the HP brand, at least in terms of innovation. Furthermore, since USB-C is a clearly a secondary charging method, I can't help but think that it could be better than it is if they had made it a priority (I actually don't know whether or not it is better, worse, or equivalent to the A/C system though...this is just a matter of how I perceive it for now).