I think this song's about how disenchanted people become with modern society and the way its strips us of our identity.
"I can no longer shop happily
I came in here for that special offer
A guaranteed personality"
He lived his life like the commercials told him to, as in he followed all the trends thinking they had the answers ("I save coupons from packets of tea / I've got my giant hit discoteque album"). But when he wanted something substantial, personality, although modern culture promised it, it isn't there, hence is lost in the supermarket of modern culture.
I think this song's about how disenchanted people become with modern society and the way its strips us of our identity. "I can no longer shop happily I came in here for that special offer A guaranteed personality" He lived his life like the commercials told him to, as in he followed all the trends thinking they had the answers ("I save coupons from packets of tea / I've got my giant hit discoteque album"). But when he wanted something substantial, personality, although modern culture promised it, it isn't there, hence is lost in the supermarket of modern culture.