They mentioned this on the podcast, the problem is that since they're development tools the networking stack is still scaled for a full rack with pretty beefy switches.
Either they need to support a whole second network stack with firmware etc which they don't want to do now, or a racklette would cost way too much and almost nobody would pay the price.
Either they need to support a whole second network stack with firmware etc which they don't want to do now, or a racklette would cost way too much and almost nobody would pay the price.