Why "Open Source" misses the point of Free Software

A recently revised article about the differences between "Free Software" and "Open Source", by Richard Stallman.

Something of relevance to this is the recent controversy developed around the meaning of the term "Open Source" which puts some doubt on whether "Open Source" as a term is really any clearer than "Free Software". The real truth about the term was spelled out by Eric Raymond anyway, it is basically a way to conceal the ideology and purism of FSF.

Is "Open Source" Now Completely Meaningless?
Eric Raymond: Yes, "open source" is still meaningful
How Open Is "Open"? – Industry Luminaries Join the Debate
Free software is nothing to fear