Read the excerpt below and answer the question. ...(preaching to the saved was fun but what we wanted was to win some souls from Satan).

What does the author mean by this parenthetical statement?

Protesting and demonstrating was entertaining, but the cause needed to enlist students with opposing views.
Talking to like-minded people was interesting, but it was more challenging to argue with militants.
Supporters are fun to hang out with, but the point of the revolution was to anger war supporters.
By protesting against the war, your soul was saved, but there were still evil people who needed saving.