Of course it is. Haven't you heard of Gluttism? The beautiful axis where Gluttony and Capitalism meet in a holy orgy of excess. Its lovely. Not like the sordid Festivus celebrated by heathens and other lowlifes.
To me this akin to a dishwasher with 12 (or more) pre-programmed wash cycles. It makes sense in the store but in reality you only ever use one. Much to do about very little. Mood lighting? Light a candle.
I always though Apple would use multiple user accounts as a selling point, in full knowledge that within a week or two of sharing a device most families / couples would only have one sure way to resolve their fighting - i.e. through another purchase. As it turned out any such devious tactic was not needed.