What controversy arises over the slection of Sillers as the final juror in inherit the wind?

In the play "Inherit the Wind," the controversy arises because Sillers is selected as the final juror after an impassioned closing argument from defense attorney Drummond. Many see this as an unethical move by Drummond to manipulate the system and potentially influence the outcome of the trial, leading to questions about the fairness and integrity of the legal process.