Well, if you go by title case, it’s LitSwD. Notice which letters are capitalized?
And most posters here have not agreed that it’s not about drugs. I haven’t done a hard count, but I’ve been following my thread here, and I’d say it’s about 5-4 in your favor. So you might have a majority, but you don’t have a mandate 
But enough informal debate: Let’s put it to a poll:
Poll: Is “Lucy in the Sky with Diamonds” about LSD / drugs / psychedelia, or not?