Anthony W. Youngman wrote:
And as I see it, if I say "My program is licenced under GPLv3 with
the following exceptions ...", if the user ignores the exception, they
have broken the terms I set for them to use the program, and the GPL
doesn't apply, so they can't take advantage of the clause allowing
them to remove the exception ...
This seems to suggest that the terms that you wrote explicitly have
some special trumping value over the terms in the text of the GPL
itself. I don't think that's true.