Its common sense, do not share stolen content. But we have every right to remove posts
Terms and conditions: We reserve the rights to remove or modify any Content submitted for any reason without explanation. Requests for Content to be removed or modified will be undertaken only at our discretion. We reserve the right to take action against any account with the Service at any time.
Also the rule itself:
You agree to not use the Service to submit or link to any Content which is defamatory, abusive, hateful, threatening, spam or spam-like, likely to offend, contains adult or objectionable content, contains personal information of others, risks copyright infringement, encourages unlawful activity, or otherwise violates any laws.
Move along...