A detailed explanation behind the decision can be found here, but a shorter release explains significant concerns behind language that would encourage steps toward filtering and blocking online content as well as the adoption of graduated response systems that could result in terminating Internet access. As CSISAC notes:
The final CommuniquÃ© advises OECD countries to adopt policy and legal frameworks that make Internet intermediaries responsible for taking lawful steps to deter copyright infringement. This approach could create incentives for Internet intermediaries to delete or block contested content, and lead to network filtering, which would harm online expression. In addition, as has already happened in at least one country, Internet intermediaries could voluntarily adopt â€œgraduated responseâ€ policies under which Internet users’ access could be terminated based solely on repeated allegations of infringement. CSISAC believes that these measures contradict international and European human rights law.
The release concludes: