If it is true that...

Users need the ability to know whether media is fake

and

Watermarking generated media with some tell-tale sign of it being fake allows users to manually check the legitimacy of the media

Then it must be true that...

In trying to create a watermark for synthetic media, we need a system which ensures that there is always some tell-tale sign of it being fake

If it is true that...

In trying to create a watermark for synthetic media, we need a system which ensures that there is always some tell-tale sign of it being fake

Then it must be true that...

Watermarking generated media with an error-ensuring code is an effective way to ensure its ability to be verified as generated