"Do you need it? Probably not yet. But I'm guessing that someday you will want it. And even if you don't, I'm guessing not having it will, eventually, be annoying enough that you'll give in and install it anyway. This is a frustratingly classic case of "Resistance is Futile".
I guess I'll leave it in there as long as doesn't degrade sys performance.
Thanks for the article richc46, that summed it up pretty well.