I don't remember where,but somebody explained that the adapters also have some kind of limitation. I can't remember what but they went into deep details and the whole thing is revolting. Governments should protect open source.

Some of us would like our expensive hardware to work without hacked third party dongles.

All of us would like our expensive hardware to work without hacked third party dongles. But given that this isn't possible with AMD open source drivers at the present time, this is the best we'll get for now.