The Wii was an a atrocity to game developers and to the game industry in general, yes it sold like hell but to which audience ?, games weren't selling, only Marios and Pokemons were selling there, so selling millions Wii didn't mean nothing to the game industry, it actually was hurting cause PS3 released its superior Wii mote , the expensive Kinect on the xbone, probably Sony or MS never got back their investment on those things.
The winners last gens were the PS3/PSP and the 360 cause they maintain the game industry for all people.
This time the PS4 is once again building a console for every one unlike the Wii U or the xbone, MS is trying hard to maintain their boat afloat but they blew it in the specs and their general design, their only way to them to succeed is to release a lot I mean alot of games but that I mean exclusive games, but we all know the sad story about that.
User moderated for this post -RavenXtra
This is off topic, but I just want to address the Wii bashing I see in this thread for a second. Wii actually moved software pretty well on par with 360 and PS3 last gen. Not Mario-only or Pokemon (that fact that you even infer that Wii was flooded with Pokemon games should be enough to prove you don't know what you're talking about) titles either as you claim, since their were quite a few million+ sellers on the system from 3rd Parties. For example, Call of Duty 3 sold over 2 million on Wii, outselling both PS2 and PS3 versions. And a couple of the Madden titles (07 & 08) outsold or sold on par with their PS3 counterparts. But, you people can keep telling yourself that Wii contributed nothing to the 7th gen video game industry. Whatever helps you sleep at night.
Look at the list of 3rd party developers who went out of business last gen due to increased budgets making PS3/360 games and somehow Wii was the one that was bad for the industry? I don't understand some people's thought process.
Also here are some of the terms used to negatively describe Wii, novelty/gimmick/casual
novelty-the quality of being new, original, or unusual.
gimmick-a trick or device intended to attract attention, publicity, or business.
casual-relaxed and unconcerned.
So basically when people say these things about Wii, they are calling it a device that uses new, original ideas to attract attention and allow people to play games while relaxing. That sounds like an awesome product to me.