Please sign and share the petition 'Tighten regulation on taking, making and faking explicit images' at Change.org initiated by Helen Mort to the w:Law Commission (England and Wales) to properly update UK laws against synthetic filth. Only name and email required to support, no nationality requirement. See Current and possible laws and their application @ #SSF! wiki for more info on the struggle for laws to protect humans.
If we have GPL Schema and someone modifies it without notifying us (which they are allowed to do) and makes a document following the altered grammar and tries to input it into the system. The software checks it's validity against the Schema it has and determines it is not compliant and the document is not processed, because the software doesn't know how to process it.
- That's not the problem. "The software" is not one thing as you suggest. There will be competition there too. There will be a modified schema, AND modified software, because a self-interested fork almost always involves both. The modified software works with and even EXPECTS the altered grammar, and now you have a fork, and if the promoter of the new fork ([[Company X]) is powerful enough, they get content poured into the altered grammar that we can't get first, and (depending on content license) can't even copy. Then if that software serves the interests of retailers, say, it will be preferentially installed to use the hardware deployed to those retailers by Consumerium, and, we're dead.
- The right way to address these problems is to lay out worst cases one by one, and eventually pick licenses for each deliverable that seem to make the worst cases not possible, or at least not easy. The wrong way is to do it by feelings and internal unshared ideas of what will happen.