Apparently the problem is when you want to promote an application that is in the free repository, but depends on non-free packages.
In fact, it's quite common to have free packages such as an open source game engine, depending on non-free stuff such as the game data, that might be re-distributable but non under an open license.
Right, and probably is not the only case of non-free stuff packaged in the free repository. I suspect that a lot of old-times games are in that situation.
Yes, his previous posts are located elsewhere. Let me search for them and I will add them here for future reference. Anyhow, reading his post in the context of the thread, it's clear that he's giving permission to distribute that stuff.