Isn't this true of any industry that isn't "commodified"? That is to say, if there's still a narrative where a publisher can outperform other publishers, why wo

Isn't this true of any industry that isn't "commodified"? That is to say, if there's still a narrative where a publisher can outperform other publishers, why would a publisher bind their future to other publishers? IE, isn't this the same reason facebook doesn't partner with Google+ et al?