The first time I loaded up "battle mode" on Mario Kart 8, I was immensely disappointed. Battle mode was the reason the N64 game got any play with my friends. I hate that I am going to purchase the same game twice, but a return of real battle mode will be popular with my friends.
I agree about MK8's battle mode and the supreme disappointment I had with their rendition of it. I expected the DLC to provide some good battle arenas, but that never happened.
I also hate rebuying a game I already bought, and the fact I bought the DLC for that game adds insult to injury.
The multiplayer I've had with the switch so far, at the office and at home, makes me think it will be a very commonly played game so I'll get my money's worth from the purchase, but I am not spending $60 on it. If I find it for under $40 I'll pick it up, but I wont be supporting MK8:DE at retail.