Save to the extent that the Panel members may have their own biases, I think you should assume quality arbitrators are objective and will deal with it fairly. But even in the Courts, litigation risk is always high. Few cases have merits confidently over 70%Much less confident now.
The PL is essentially judge, jury and executioner. Not sure how we get an impartial hearing when the PL get to mark their own homework and no court of the land can oversee it.