My main issue with Donkey Kong Country: Tropical Freeze was that it was just too hard for its own good. Now Nintendo seems to be reveling in this fact, with a new trailer that demonstrates just how unfair their new platformer is.
Curiously, after writing my review I went back and played a few of the older DK Country games from Rare on the SNES, and even DK Land on the Game Boy. They're hard, no doubt about it, but I noticed I was dying a lot less--at least, not for no good reason. The old DK Country was brutal, but fair. Tropical Freeze however seems to delight in throwing dirty tricks and impossible curveballs at the player, requiring that dozens of 1-ups be sacrificed in grinding trial and error. Not the best game design, in my humble opinion.