The third is THE most relevant. You don't get to demand a feature just because you want it - this isn't a democracy or design by committee. You first have to make a solid case for HOW IT WILL IMPROVE THE GAME FOR ALL PLAYERS. You have thus far failed to do this. Your reasoning has been "this bit is boring, give us a way to avoid it and make it optional so they can't argue against it". This however does not improve the game for all, rather it gives you a way to disengage from the game which is the OPPOSITE of what fdev wants. The solution is to stop that bit being boring, not to cut it out of the game.
Until you make a solid case for why it should be included (which you have thus far failed to do) the default position remains as not adding it. This is further justified by the fact that the vast majority of players AND the developers are opposed to this feature for all sorts of reasons.
Sorry, but you just don't seem to have a solid argument.
Some things are just QoL improvements, and that's reason enough. For me, as I've stated previously, It's about being able to actually engage with other in game elements, such as the GalMap, power settings, etc.
Back in the days of Frontier, I used to enjoy being able to jump into a system, drop to local map, set my autopilot, and ping the Markets to check on the prices in system (can't in ED, that's a a feature I'd like back), drop into the starmap and have a browse for anything interesting, check out other systems for possible routes, etc. All with knowing that an inadvertant nudge of a control wouldn't mess up my flight path. Then StarDreamer off and hands on for final approach.
Chances are, if I'm the mood to be checking out USS, then I wouldn't engage the AP as I'd need the reaction time to check them out before they were past me. But when I'm simply cruising to dock for repairs, or I've got a mission cargo I don't want to risk, all I'll be doing is setting the middle of the ship at the destination and sitting on my hands so I don't knock the joystick until I need to change the throttle.
You want to make empty space 'interesting', I'm not so keen on that. To quote a certain book with "Don't Panic" written on it in large friendly letters, "Space is big. Really big." If pointed in a direction and given thrust, the chances of an object hitting' something is infinitesimal, adding too many wrinkles would bother me. The weird thing is, I'll sit at my controls quite happily not 'doing' anything, as that is part of the game to me. I like viewing things out of the window, but I'd also like to be able to look at the other things in my cockpit with worrying about missing where I'm supposed to be heading.