Let us not forget guilty pleas in criminal cases. A defendant agrees to plead guilty to certain charges in exchange for the state dismissing other charges ,recommending a certain sentence, or getting some other disposition.
The defendant is giving up the right to a trial, to confront witness, to use the courts power to compel evidence, to be presumed innocent, etc...
In pleading guilty they give up a ton of important rights.
So if you can waive your rights as to the government, who is bound by them, then you can certainly waive them as to someone who is not bound by your rights.
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