alt Hacker NewsThat's the only plausible scenario, but it also came out in 2023 and people stopped caring at least a year before. And it persisted for a few years so either someone thought they could salvage something from it, or no one had a better idea what to put there.
That probably means the board was being designed a year or two before that... so quite possibly they had put it in the design when it still seemed relevant and the cost/hassle/delay of a new revision of the board design and manufacturing changes made it easier to just leave it there and ignore.