You think an exclusive Saints Row 4 in 2014/2015 would turn Wii U's fortunes around? Especially when it's after the next gen systems launch? It would be a waste of time and money for Nintendo to do that.
Ok, I get it. You are anti Nintendo and anti Wii U.
Since you cherry picked what I wrote to support your agenda, I'll rephrase what I said. Nintendo won't buy any of these studios, but if any number of them end up as independent after the sale, Nintendo could contract them to develop an exclusive for Wii U to boost its library.