The Salvation Army didn't quietly tug its forelock to the rich, when the rich were exploiting the impoverished. I forget the details, but Salvation Army members played a pivotal part (along with feminists like Josephine Butler) in raising the age of consent in this country to 16 in 1885, and they did it, to protect the children who were being sold in the sex trade.
Then, as now, it was not popular to impinge on the freedoms of sex buyers and pimps. You could blame teenage girls for being exploited, but never the buyers.