It was the same with "A Perfect Day" by Lou Reed, when the BBC put it out as a promotional record, with all kinds of singers taking a line each. Great record. "But that's a drug song" sneered the knowledgeable cynics.

And they were always doimg the same about Beatles Songs. And all those nursery rhymes we grew up with are supposed to have covert meanings.

Songs mean what you sing them to mean. It's interesting to learn what the person who wrote a song might have been thinking about, but you aren't held to that meaning.

If Puff the Magic Dragon was written about dope it doesn't stop you singing it about dragons and children. And if it was written about dragons and children, that doesn't stop you singing it about dope.