Oh goodness relax Nintendo has done worse before and they're going to have to do much worse to actually fail.
Although 3rd Party support is a MUST, making another console would be useless and take ages(research & development isn't cheap ya know) and yes making a new game IP would help a lot. Hopefully they follow 1 & 3 of your suggestions. 2 is just a no no.
Which article are you referring too? The source or user created article because the user created article is a lot less bias than the actual source.