Its purpose is to inform all parties interested in content use regarding Fair Use and Copyright issues. This disclaimer does not necessarily exclude actions taken by Copyright owner(s) who are entitled to make claims of infringement if they desire. Hopefully this disclaimer can at least allow all parties involved in a dispute to come to an agreement with minimal or no legal action.
Copyright Disclaimer Under Section 107 of the Copyright Act 1976, allowance is made for “fair use” for purposes such as criticism, comment, news reporting, teaching, scholarship, and research. Fair use is a use permitted.
“Fair Use” guidelines: www.copyright.gov/fls/fl102.html