They broke things that used to work. They had other reasons for doing it, but they also didn't really care to fix the problems it created. Their ecosystem is somewhat isolated from regular PCs and caters to a different clientele so I'm sure it made business sense to prioritize that way. Hence, there's at least some intent involved, just not outright malice.
It is not my understanding that Apple has any responsibility for ensuring equal access and capabilities for third-party accessories on their own weird, proprietary, invented-in-house computing systems.
Therefore, it is also not my understanding that they can be negligent on these matters.