Can Apple clear the way for the Linux desktop?

That's the question that occurs to me as I read this piece in Roughly Drafted. It's about how Apple is kicking Microsoft's butt at the high end of the desktop market, and how Microsoft seems to be bumbling its way out of desktop hegemony anyway. Linux is mentioned only twice in this long piece, but the harbingery of the references are significant. Here's the enclosing quote:

Can Apple clear the way for the Linux desktop?