"First they ignore you, then they laugh at you, then they fight you, then you win." -- Maybe Gandi (http://en.wikiquote.org/wiki/Mohandas_Karamchand_Gandhi#Disputed).
We're on the verge of the "you win" stage. Large companies and governments are adopting GNU/Linux and FOSS applications as their defaults. FOSS companies have been successful for years. Red Hat, Inc. was founded 19 years ago. IBM has fully embraced GNU/Linux, contributing code to projects and lawyers to the defense in the SCO case.
The Microsoft Halloween Documents started in August of 1998. Microsoft felt threatened at least 14 years ago. Back then it was just GNU/Linux, but now it's Android, LibreOffice, Chrome/Firefox, Postgres, Eclipse,
TL;DR - apply extra critical reading skills when reading and responding to comments on threads like these.