The handling on a trike will change, to be sure.
But the amazing torque of that Slant/6 motor will still be a huge advantage, especially with the added weight of three wheels.
And all the electronic gadgets will still work just fine. Well, as fine as they work on a two-wheeled Beemer anyway.
Look, if a trike, or even a K16 trike isn't for you, that's cool. Honestly, it's not my style or my need, either.
But there are a lot of other riders out there for whom this makes perfect sense. So if they have the cash and the desire, then they can ride whatever they damm well want to. Regardless of how anyone else may feel about it.
And every single negative y'all have spewed here, I've heard in relation to the K16 itself. It's an "old man's" bike, it's too big and heavy, it's ugly, it can't handle like a "proper" sporty bike should, if I get so old or damaged that I have to ride one of those beasts I'll just take the car . . .
It's all just a matter of perspective, guys.