It is an attack against free speech because the definition of free software
is different between Debian and GNU.
Trisquel is effectively censoring Debian's definition of Free Software by
excluding VRMS. If a government want to censor a newspaper, they read it in
advance and tell what articles or words must be excluded.
There are reasons why VRMS reports GNU FDL docs as non-free.
http://people.debian.org/~srivasta/Position_Statement.xhtml#problems
However, there is no reason to exclude VRMS just because definitions of Free
Software are different between FSF and Debian.
* * *
It seems people have hard time in understanding what censorship means. Lets
look how Wikipedia defines it.
Censorship is the suppression of speech or other public communication which
may be considered objectionable, harmful, sensitive, or inconvenient as
determined by a government, media outlet, or other [b]controlling body[/b].
It can be done by governments and private organizations or by individuals who
engage in self-censorship. It occurs in a variety of different contexts
including speech, books, music, films and other arts, the press, radio,
television, and the Internet for a variety of reasons including national
security, to control obscenity, child pornography, and hate speech, to
protect children, to promote or [b]restrict political or religious views[/b],
to prevent slander and libel, and to protect intellectual property.
http://en.wikipedia.org/wiki/Censorship
Note that I was semi-active in Debian Devel List at those times when GNU FDL
license was voted to be non-free license. I was very much against it, and
stopped using Debian because of the result of the vote - and stopped trying
to become a Debian dev too.
However, I still don't like that views of Debian about Free Software and
licenses are censored.