Why does Drummond approve of Bannister as a juror?

Drummond approves of Bannister as a juror because he believes Bannister possesses an open mind and the ability to think critically about the case. Drummond values jurors who can see beyond the prevailing societal prejudices and are willing to consider evidence and reason rather than simply conforming to popular opinion. Bannister's willingness to engage in thoughtful deliberation aligns with Drummond's pursuit of justice and truth.