Talking For Free

rms (also known as Richard Stallman) expounds on the reasons why he feels "open source" is, in some ways, bad for "free software", in that it doesn't emphasize the almost cultural aspects of software by touting its lack of cost.  A unique perspective from a software culture warrior:

Why Open Source misses the point of Free Software - GNU Project - Free Software Foundation (FSF)

When we call software “free,” we mean that it respects the users' essential freedoms: the freedom to run it, to study and change it, and to redistribute copies with or without changes. This is a matter of freedom, not price, so think of “free speech,”, not “free beer.”