These are DDF topics, NOT KS promises. FD has never *promised* DDF topics to be implemented. They have said they want them to be implemented. They also never said they will come with release of the game.
So no, no apologizing, because there's nothing for to apologize.
Edit: to remind what was actual KS promise - trade, pirate, fight, explore in Milky Way galaxy. Take parts in community action deciding story of galaxy. Get 25 ships (15 ships in original pitch, 10 added later as stretch goals, over 30 ships at the end of first year, available to players). Experience wrecks (truth to be told they were shown in the last day of KS as reward).
Now, from this only ships and wrecks are missing, both things coming really soon.
Everything else? Is a bonus.
Now, there's lot of things FD has been said as coming and haven't given us update yet, and those questions is worth asking. Claiming that FD didn't deliver on their KS promises? You are mixing it up with another project around same time. They got some 10 stretch goals or so. Haven't delivered game yet.