The title is very clear, and the first paragraph which you quoted explains it in detail.
It's significant that an established respected company--the makers of Carbon Copy Cloner--will not support APFS formatted disk images for its backups.
While your agenda may be driven by the need to protect Apple, the rest of us need to know this important news about APFS so we can be fully informed.
People can have opinions without them needing to be flagged as having hidden agendas. And I have worked at Apple and can assure you that there isn't some payment structure for posting on forums.
The title is very clear, and the first paragraph which you quoted explains it in detail.
It's significant that an established respected company--the makers of Carbon Copy Cloner--will not support APFS formatted disk images for its backups.
While your agenda may be driven by the need to protect Apple, the rest of us need to know this important news about APFS so we can be fully informed.