[gozur88]

>I got the opposite impression - that it's an exploitative industry that preys on the needy.

I'm curious what you mean by that. By "needy" do you mean the people answering the phones, or the people calling?

[mattzito]

Couldn't it be for both, to a certain degree? Obviously not universally, but there has to be some percentage of both PSOs and callers who are weak and vulnerable and being exploited.

I think this is true of sex work in general, particularly because (at least in the US) sex workers tend to be marginalized.