Does prosecutorial misconduct not cause prejudice in a criminal case?

at p. 78 ["[i]n light of the relatively strong evidence of [the defendant's] guilt, we cannot say any purported misconduct was prejudicial"]; People v. Otero (2012) 210 Cal.App.4th 865, 873-874 [the strength of the evidence against defendant supported the conclusion that prosecutorial misconduct did not cause prejudice].)