You could have the same (only existing?) process than other content platforms like YouTube, Github, etc. In practice, most people are fair and post the content

You could have the same (only existing?) process than other content platforms like YouTube, Github, etc. In practice, most people are fair and post the content with the right license, but anyone can send a DMCA request. An annual transparency report is probably mandatory with that process, like these ones : https://github.blog/2019-01-23-2018-transparency-report/ https://github.blog/2019-01-23-2018-transparency-report/ https://transparency.facebook.com https://transparency.facebook.com