But are you giving up because you accept the rebuttal, or because you can't come up with one to disprove it? Y'know, it's not bad to admit you were wrong, and that your line of thinking is flawed. This is how we grow as humans, and advance toward an intelligent society. Humility and modesty will always carry you further than arrogance and ego.
Trump can pardon himself. Nixon did it. The president of the US really is the most powerful person on the face of the planet. They don't exaggerate when they say that.