Law of child lawyers

When I asked Comm. Joseph about the appointment of the kids' lawyer, he cited this statute:

3114. Nothing in this chapter prohibits a court-appointed investigator from recommending to the court that counsel be appointed pursuant to Chapter 10 (commencing with Section 3150) to represent the minor child. In making that recommendation, the court-appointed investigator shall inform the court of the reasons why it would be in the best interest of the child to have counsel appointed.

We don't have a court-appointed investigator, as far as I know. Except that the lawyer is now yet another court-appointed investigator, who is going to offer his own opinion about the best interest of the children. Why his opinion would be any better than that of all the others, I don't know.