There are way to little responsibilities for the copyright holders compared to the rights are able to enforce. Copyrighted works could be treated comparable to

There are way to little responsibilities for the copyright holders compared to the rights are able to enforce. Copyrighted works could be treated comparable to undeveloped land if not used. Meaning works currently not being commercially available in a supported medium under reasonable conditions from the rights holder. If available the rights holder may either pay an annual tax (much like land value tax) or release the work into public domain.