[Protagoras]

So, instead of just cryptically dismissing what I said, why don't you explain your opinion/point of view.

I second that. Hard to say what this person is saying.

[OWK]

Hard to say what this person is saying.

That isn't accidental.

This person knows full well that he advocates evil, but is unwilling to discuss it forthrightly, because that would require him to be honest with himself.

And honesty with himself, would require him to abandon his position.

Hence, he must speak in ambiguous terms.