from the FAQ
What attachments are allowed on this board?
You should not use our forums to post/attach/link any material which is knowingly false and/or defamatory, inaccurate, sexually oriented, abusive, harassing or threatening, contains viruses or other contaminating or destructive features, violates the rights of others, such as Content which infringes any copyright, trademark, patent, trade secret or violates any right of privacy or publicity, or otherwise violates any applicable law.. Feel free to ask the moderators before posting the downloaded materials from other sites..
while the wording is a bit lengthy and written in legalese
it conveys that posting and linking copyrighted material is forbidden
( as on the majority of forums and as explained in too many other situations like this one )
so whatever Your personal feeling are, You posted something violating the forum rules.
that' s all