One of the supposed justifications for the intellectual monopoly called copyright is that it drives creativity and culture. In the last few weeks alone we have had multiple demonstrations of why the opposite is true: copyright destroys culture, and not by accident, but wilfully. For example, the MTVNews.com site, along with its sister site CMT.com, …
That is literally what Copyright is. Removing it means exactly that.
No copyright is about the “right” to “copy” the work in question, not the attribution. Works that are in the public domain still list the author.