Short answer: People like to associate themselves with winning products. If a product they feel is the best, is selling the best, then they literally feel better as a person. Xbox and Playstation are each the others main obstacle to total domination. Therefore each fanbase feels threatened by the other.
This stems from a form of escapism and the need to belong. These are roots of real world issues that only time and maturity can heal.
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In the 7th gen and in my younger years, I slept like a baby knowing PS3 was last place. No matter what PS3 exclusive came out, no matter how much it sold well over 360 for a period of time, I had a aura of happiness because at the end of they day, lifetime 360 sales were higher.
I felt inherently superior to them as a human being, no matter how cocky they were or proud of a recent PS3 achievement.
Now that I am in my late twenties and on the verge of taking the next step in my life (getting engaged, moving into my house Ive been renting out for the past 3 years), I can say I am largely over it.
Yes I am still a Xbox fanboy. Yes it kinda bums me out dem Europeans and Japanese just can't seem to take to the Xbox brand. But Xbox One isn't doing bad on its own merits, and its a wonderful time to be a Halo fan, especially since I invest in the extended universe as well. I largely don't care anymore that PS4 is winning, but I still take issue with the ratio in which it is winning.
Hope that answers your question.
Xbox: Best hardware, Game Pass best value, best BC, more 1st party genres and multiplayer titles.
