how is screwing them over? Nintendo spent money, time effort- to develop the Wii U and games for the Wii U. Unfortunately not a ton of people bought them and the system was generally a failure. Nintendo didn't force anyone to buy their product, and there certainly isn't a clause or contract that they're permanently stuck to the platform

they stuck around a lot stronger than Sony did with the Vita.

You're being kind of petty- I mean it's fine if you don't want to get a Switch or Nintendo product. Fair enough. but to imply that Nintendo is 'screwing' Wii U owners be rereleasing games that did relatively poorly on the Wii U because there was a very small install base? that's absurd. You realize Nintendo is a business and they invest to make these games right? Logically if you like the games or like the developer you should want them to get SALES. and you should want more people to experience a series you dig.

No one who currently owns a Wii U is forced to buy a Switch and rebuy the same games again. And debatably, conceptually, the Switch and Wii U are fairly far apart. One being part portable system, the other entirely for home. if after year 3 of the Wii U Nintendo had popped up quickly with a new system and abandoned you guys and launched a new console with a bunch of ports- that'd be screwed up. But that's not what they did at all. They waited 5 years and for most of that period supported the system. Get over it.

porting potentially can give life to the installments/series that did poorly on the Wii U, pays back development costs, and fills in library schedule release holes. 

If we reach a point where Nintendo is just throwing out ports and not bringing new stuff- then I'm all for shitting on them even harder. But Zelda was new for both consoles simultaneously- and Splatoon 2, Arms, Mario Odyssey- we're seeing at least some effort from Nintendo to bring new stuff

Seriously. Forget the salty fans- if it means more people get to enjoy legendary games such as Mario Kart or Mario Maker, then so be it

yeah wait 5 years, 10 years, 20 years, you'll be dead at some point. That is possibly the worst logic I've ever heard. 

Good Point.

I'm okay with remasters or remakes from games wich are two gens old, I'm just not interested in another Wii U Deluxe game. 

But yeah if people want these games now cool for them but Nintendo won't see any money from me for these.

That's one way to look at it. But another is that what's profitable for them and helps stimulate sales also helps avoid that a situation like that happens again.
I can understand the feeling, as people who played Tales of Vesperia on 360 felt like Beta testers for the improved PS3 version that came out later on with new playable characters and systems, etc. But what's done is done and now they can either make the best of it, or not.

This is just pathetic.

I mean, why are people so obsessed with Wii U ports? There needs to be a justifiable reason to port Wii U games, and portability is not one of them.

Nintendo are already getting bashed for two Wii U ports (Zelda and MK8D) and the Switch essentially being a system "not worth owning" if you already have a Wii U. I never understood why people thought that porting games like Xenoblade Chronicles X and Tokyo Mirage Sessions would be on their radar either, because it's not profitable. Just because a system has a higher install base, doesn't mean the game will sell better. Especially carrying that stigma that it's technically an old game. They are naturally niche titles that just don't appeal to mass market, even with strong advertising. If these games want "a second chance" they should come with sequels. Xenoblade 2 is still Xeno, too.

From a business perspective, Smash and Mario Maker ONLY:

Smash:

• Likely not getting another release until the next decade. Sakurai was injured during development and implied there wouldn't be another Smash until a long time.                                                                                                                                                                                                                                                                                
• Smash sells like hotcakes, and some people only buy Nintendo systems just to play Smash...it's defined itself as a franchise that has been on every Nintendo home console since the 64, and treehouse outcry etc.                                                                                                                                                                                        
• Amiibo functionality with Switch and Smash Bros. has amiibo of every character.

Mario Maker:

• When Wii U servers cut off, this game is practically unplayable                                                                                                                                                                        
• Huge install base and users have made over 10 million courses. They created a community that wouldn't make sense killing.                                                            
• People have youtube careers based on this game Dashie, GrandPOOBear, CarlSagan42, RyuKahr, etc. taking off servers will make them lose a huge chunk of their fanbase, and Wii U servers dying at some point next year seems inevitable.