I don't think that debating the wish list is off topic, pointless maybe.
Either XAircraft doesn't care about what users want and think, they provide no "official" channel to communicate feature request etc, or if there is a channel it is being filtered by a select few. Which is fine, its there controller.
IOC has been discussed several times, its doubtful that the "silent majority" don't want it, its more like the minority has spoken out against it. This isn't a popularity contest, if features get implemented that you don't want don't use them but IOC is a good feature that makes single pilot AP easier and once orientation has been lost can be very helpful reestablishing it without having to trigger RTH, which in some/many circumstances would be unsafe to do.
One thing maybe all of these manufacturers should keep in mind is that as the US starts the certification process that there's a real possibility that very few of the controllers produced in China will be acceptable.