I'm simply a gamer. I like all 3. I like Nintendo for classic characters and focus on purely gameplay. I like Microsoft for innovating with online features. I like Sony for taking risks with releasing unique IPs and leading the charge with original games as well as being humble this generation.
I think there is reasons to love each console and each console has great games that people will miss being dedicated to one brand. Anyone who is a fanboy, its their loss but ignorance is bliss.