Earlier quoted context omitted.
Those engineers enabled this outcome. It is perfectly reasonable to ask why they facilitated immoral actions. There is a code of ethics all computing professionals should use to consider their actions. https://www.acm.org/code-of-ethics#:~:text=The%20Code%20incl... .
It is perfectly reasonable to ask why they facilitated immoral actions. Are you seriously proposing to give the presenter for the Core Audio session grief over this? IMO, that's just being a jackass "because purity". Or something; I'm at a loss to truly categorize such behavior.
If Apple won't answer questions about the platform through the proper channels, might as well go through the wrong channels. We're not going to get less of an answer.