Amen. And any teaser video this early in the game is likely showcasing an engine versus playability. Noting and hoping - as you said - many flaws will be patched for Day 1 release.
But yes, marketing people have no clue what actual gamers are looking for. I've covered UFC launch events before, and the disconnect is glaringly obvious. Their marketing peeps are often contract/external, mind you.
With this being said, I'd be thrilled with an upgrade over 16. 2K is a beautiful game, but the pacing just isn't for me. It's the same reason I prefer PES over FIFA.
I hope EA gets this one 'right.'