[anigbrowl]

No, not necessarily. A single person can sometimes make a difference but in real life such people are frequently just pushed aside. It is more a matter of luck than morality about where they happen to be in the crowd, whether they can make themselves heard at a critical moment and so on.

I mean sure, if you see an injustice taking place in front of you, you should certainly attempt to intervene. But there is absolutely not guarantee your intervention will be effective.