I feel this is true of every player who mains a faction in this game. . . Then again, maybe it is just every 40k fan.
That's because xenophobia is a big part of 40k. Also that isn't my theme. This is. View: https://www.youtube.com/watch?v=NJ-drpEGRc0
That's not true! Orks fight everyone equally because it's fun! Nevermind that they routinely enslave, torture or eat the civilian populace of whatever planet was unfortunate enough to sit in the way of an encroaching Waaagh!!!, it's all in the name of FUN.