Wii U numbers are sad, as is the top ten of generic yearly rehashes and posts happy about the Wii U's failure. I miss generations like PS One vs N64 or PS2 vs GC vs Xbox (vs Dreamcast). Consoles used to have diverse, varied line ups, every console was different and had great exclusives. Owning multiple consoles meant having access to many great games. Those wishing for the end of the Wii U and Nintendo in general wish for the death of this diversity.
Now, with the PS4 and the Xbone, we have two samey systems that will most likely share 95% of the same line up, if the last gen is any indication. PS vs Xbox became PSbox (the term PS360 exists for a reason). The difference is that, this gen, the third option that offers something different is tanking big time. You might not be a fan of Nintendo games, but you have to admit that they give those who are tired of the generic AAA stuff, shooters etc., or who just want to play something different every now and then, an additional option. The Wii U's line up, while small, is full of unique, critically acclaimed gems. Nintendo's games are all pure gameplay, they are above everything else in terms of polish, level design and gameplay. No cutscenes, no cinematic scripted stuff, no shooting bad guys, it's something different for a change. The gaming industry has become so derivative, that that is something really valuable.
While the Wii U would never be the primary system for the vast majority, it complements the other two very nicely, PS4 + Wii U or Xbone + Wii U is an awesome combination for a gamer, if you ask me. The Wii U and Nintendo offer variety. Why would you want that to go away? IMO, if you call yourself a gamer and look at that top ten and are satisfied with this industry, that's like saying you're a gourmet and the only restaurant you go to is Mc Donalds.