It's the reason why we encourage developers to use the <a target="_blank" rel="noopener noreferrer" href="https://docs.joinpeertube.org/contribute/plugins">PeerTube plugin API</a> to create their own monetization system.
We did not go any further, as we refuse to tie our code to a particular content funding method, that might not fit all communities and deter others. It's the reason why we encourage developers to use the <a target="_blank" rel="noopener noreferrer" href="https://docs.joinpeertube.org/contribute-plugins">PeerTube plugin API</a> to create their own monetization system.