Hmm odd... you said you never used it in any sentence till now... yet you used it twice in your post right before this to me.
Also lots of people choose not to have BIS, because they prefer a different playstyle.
IDK about you, but a majority of players dont give a single fuck about BIS.
they will play whatever profession they want, whatever race they want, whatever talents they want, all just because they enjoy those things, not because they are "BIS"