mrpgraae
In your previous post you said that the US is not a democracy, but a constitutional republic. Now you say that the US has a representative democracy, but operates as a constitutional republic, so I'm not sure what you mean anymore? You seem to agree that a constitutional republic can also be a democracy.
To answer your question, I agree with you the US is a democracy. The parent comment did not say that the US is not a democracy, it said that "companies and banks should invest only where democracy thrives". I take that to mean that this user believes that democracy is not currently thriving in the US, which I would agree with.
In other words, you can change the direction of the velocity vector without doing work, as long as the magnitude stays the same (ignoring potential energy here).
In fact, a magnetic field is unable to do work, since it always acts perpendicular to the direction of movement of the charge that it acts upon.
As jboggan mentions, this theory is both falsifiable and testable in practice.
I think it's important that there are always a few people in science who go against the mainstream, as long as they do actual science, so falsifiable and testable theories.