There was a lot that the Dude would abide.
Personally, I'd go all Walter on someone trying to put non-dairy Creamer in my White Russian.
Here you go, Eyehearthawk. You see what happens? You see what happens, Eyehearthawk?! See what happens?! This is what happens, Eyehearthawk! See what happens, Eyehearthawk?! See what happens when you put non-dairy creamer in my drink?!
This is what happens! See what happens, Eyehearthawk?! You see what happens, Eyehearthawk?! This is what happens when you put non-dairy creamer in my drink!