To be fair, although this film's box office was mediocre, the script is solidly written.
Tips
history
Attested in Qing scholar Ji Yun's 《阅微草堂笔记·滦阳消夏录》: '平心而论,王弼始变旧说...' — used when offering an evaluation free of bias or emotion.
usage
Almost always appears sentence-initial as a hedge before stating a balanced view, often slightly defending someone or something that has been criticized.