You are kind of leaving the fact that, in E3, you are expected to compete with other companies for press attention and gamer cred. For the fanbases it's pretty much a dick measuring contest. Nintendo fans, I think, might had ended up feeling shortchanged?
“Simple minds have always confused great honesty with great rudeness.” - Sherlock Holmes, Elementary (2013).
"Did you guys expected some actual rational fact-based reasoning? ...you should already know I'm all about BS and fraudulence." - FunFan, VGchartz (2016)