Laws are necessary to protect and defend freedom. This is what GPL does. It
doesn't just protect your essential twenty first century liberties, it
guarantees them.
BSD based licenses are indeed free licenses, but they are not copyleft. So
while they do indeed provide freedom for both the users and developers of
software, they don't guarantee it. The only thing BSD based licenses
guarantee is the opportunity for unjust seizures of power - the power to
transform free code into proprietary code.
I understand this thread has now been successfully derailed, but these
arguments against the GPL are laughable at best, and malicious at worst.
