Just watched this episode online, and I have to say that I have totally lost respect for these two. Honesty is an important virtue, and they flat out lied, on camera, to other racers about what they do. I'm sure some will argue that this is just a tiny little white lie, and some will argue that they are justified because they racing for a million dollars.
But such arguments are invalid. A person either holds a value, or they do not. A person that manipulates their values according to the situation at hand, can never be trusted. There will always be the next "important", "urgent", or "exceptional" situation that will give them an excuse to set values aside and do whatever they want.