Moved to the copyright / claims / strikes / legal forum.
Copyright ID is not available for everyone. There are quite a few criteria that have to be met before a channel can protect its work using it.
Here are some links:
These features are only available to partners who use YouTube Studio Content Manager. Content ID is YouTube's automated, scalable system that enables copyright owners to
support.google.com
and
Content ID eligibility is based on various criteria. This criteria includes whether the copyright owner’s content can be claimed through Content ID and their demonstrated need. Copyright own
support.google.com
and
The features described in this article are available only to partners who use YouTube's Content ID matching system. When you enable a piece of content for
support.google.com