I play Chess with SMiLE playing in the background, now that's intense.
As for a classic status, I think the build and production of the album try to sucker audiences into that mind frame. For it to be a classic, I think it at leasts need to fulfill its own narrative, and its whole concept/storyline falls apart quickly.
Here's an
interesting article that I think perfectly addresses the idea of classics in Hip Hop as well as my problem with good kid and this album.