Kinda hard to make your profit targets when you're shipping the lowest amounts of hardware in 25 years. Stockholders kinda notice little things like that. 

Like if you're heavily invested in McDonalds, and you see a report that they're selling the fewest number of hamburgers they have in a quarter century, some alarm bells may just start going off your mind. 

Besides what's the point of even showing the NX next year if they're not planning to launch it? Wii U and 3DS sales are already shitty (3.25 million-ish slated for Wii U, 7 million ish for 3DS, again the lowest Nintendo hardware shipment in 25+ years) for the coming fiscal year, what do you think is going to happen when Nintendo shows the superfantasticterrificaweomse NX at E3 next year? The few remaining people that might have bought either system are going to bail out and just wait for the NX. 

So holding off on the NX for another year just to hit some arbitrary "5 year mark" that a whiny minority of fans on the internet think is super important for some reason isn't going to go well. It will be a disaster. 

People are not stupid, they are going to see Nintendo has unveiled this new NX thing, they're not going to then go buy a Wii U or 3DS, so those sales that are already terrible for this fiscal year will be waaaaaaaaaaay worse next year. 

If it's shown in 2016 and they already have said it will be, then it's coming out in 2016. I would literally bet money on this too. 

So, a lot of people here assumed that 2016 there would be no games coming to the Wii U, except LoZ, but that would be cross platform. However, there seems to be enough titles that I'm still convinced the NX will be a 2017 launch. Let's just look at the big titles we know are coming.

Pokken

LoZ Wii U

Shin Megami Tensei X Fire Emblem

*Edit* Pikmin 4 

*EDIT EDIT* Looks like Star Fox can be thrown in the mix. Looks like it can be a pretty significant last hurrah for Nintendo before the NX 2017 launch.

Add one more bigger project (with the inclusion of Pikmin 4, we are pretty much at the bar for bigger titles) and count the smaller projects like Mario and Sonic at the 2016 Olympics (this is a thing right?) and it looks like any of the other years release schedule for the Wii U. That said, I hope we do get an announcement at E3 this year on what the NX is and what it looks like. So what do you think? 

I gauruntee at least half of these games will launch on the NX.   It is still coming out in 2016

Where are the big titles? I only see Zelda on that list and a few low budget filler titles and Vita-eque Niche.

Have Nintendo confirmed Pikmin 4 for 2016 or Wii U?

Don't the people who watch E3 generally look a lot into consoles and would know what the specs are? Wouldn't you also say that those people would probably lose a lot of interest in a weak machine? Wouldn't an exclusive LoZ help get those people to purchase a Wii U? Don't a lot of people (especially ones who tune in to E3) already know the NX is coming?

You want to take a bad situation and make it a million times worse. Drop the Wii U price, show off LoZ, make some exclusive amiibo for it and Nintendo will be fine financially. 

No one but a whiny minority of fans on the internet thinks its a good idea to release another underpowered console and make the wii u lose its biggest exclusive.

An exclusive Zelda is pretty much required for them to support a console, like Mario. The only other Nintendo console without an exclusive Zelda is the Virtual Boy... that should tell you Nintendo didn´t do the required support.