I'm sure this is failure by design. A lot of customers will think "Hey well, this one's got a few years on it, good reason to upgrade"
It's worth mentioning that the Neo finally does away with the pairing of topcase and keyboard that has been present ever since the launch of the plastic and unibody macbooks! Probably to comply with upcoming EU regulations.
The planned obsolescence conspiracy theories about the company whose products famously last longer and hold more value than their competitors ring a little hollow.