If the notice went to the site hosting the content, then if the site actually acts on the DMCA-or-equivalent notice, they will have removed the content.
If the notice went to a search engine linking to the content, then yes, the notice provides a convenient index of those links. One more reason making it ridiculous to send notices to search engines rather than the actual content hosts.
If the notice went to a search engine linking to the content, then yes, the notice provides a convenient index of those links. One more reason making it ridiculous to send notices to search engines rather than the actual content hosts.