It has to be both. It cannot be one or the other. The lyrics have to match the tone of the music, and the music has to match the feel of the lyrics. Once that is accomplished, you have Pink Floyd.
My true feelings are anyone who truly loves music for it's full passion and depth would fully enjoy Pink Floyd on every level, no matter their favorite genre.
My opinion of course, but I do welcome those who feel otherwise to give it a shot sometime with a truly open mind. And no, I do not mean drug addled either.
Bob