I really don't like the idea of proliferating incorrect use of that attribute. As an example if someone were to (for some odd reason) set this value to the string "false" this line in the java cookbook would incorrectly process it as true https://github.com/opscode-cookbooks/java/blob/master/providers/ark.rb#L61

That said, the chances of that happening are probably pretty slim.. Could you maybe insert a comment with a reference to the relevant cloudfront code so we are explaining why we are supporting the string variant?