 ::I myself don't feel it's a very illuminating statement to feature in the lead. As you point out (and I pointed out to ShizlGzngar), it certainly sold a lot, but lots of other records have outsold it, before and after. The placement of the statement is ill-considered, too. I think the lead as it is concisely explains the album's impact andmost importantly for the subject of this articleexplains why this album is relevant to Nirvana. In the context of this article's lead section, it feels like an awful lot of puffing-up insert for an album that's already summarized as important to the band's career.   