I completely agree with you!
Definietly not a demagogue. That is plain bullshit in layman's terms. Sophism is also not it, though comes closer, but not really what he does. He doesn't deceive anyone. He sometimes deflects by validating the "opposing" argument or question without exploring it's content, or adding to the train of thought. The term I'm looking for may no even exist in english, I know it in portuguese though my brain seems to not want to remember it, and it comes from the entertainment/political merketing field.
It's easy to tell once you understand what he is doing.
Still love all his appearance. He is a indeed and artist.
I also think there is a word that I am trying to think of that describes this, you might be thinking of the term Public Relations, I guess he is good PR for Bitcoin.

I think a better term might be rhetorician, a master of rhetoric. However it does not roll of the tongue as nicely does it. We could also say that Andreas has a silver tongue.

He doesn't deceive anyone. He sometimes deflects by validating the "opposing" argument or question without exploring it's content, or adding to the train of thought.
This is common in philosophical argument, admittedly I do this myself, I like to think of it as having a flexible mind. See what I did there.

Also know as "moving the goal posts" or "biting the Bullet". Often a consequence of both principled yet pragmatic thinking.