[mherrmann]

Before, you said "completely irrelevant", now you say "small part". Which is it?

The article mentions and thus applies to both libre vs proprietary and gratis vs paid. And it is definitely meant to apply to both.

[rhn_mk1]

As I said, it has a small part mentioning open source, which is still completely irrelevant with its weak argument. I'm not sure what the author is getting at, but it seems they treat open source as gratis, which comes back to the fact that gratis is not the topic here.