So you're aware that it's appropriate to give certain persons more independence. We've also observed that the insurance companies want a power to investigate other insurance companies to check whether there has been an accident or a car theft involving another insurance company.
Everyone who comes here wants an expanded power of investigation to obtain personal information on everyone. The problem is that, if you telephone a given person to obtain information in the course of an investigation, how can that person at the other end of the line know who he's giving that information to? Even if you are a police officer! How can that person determine that?
For example, you introduce yourself as Officer Crockett, and you say you'd like to have some information on a particular person. You demand that information because the act permits you to obtain it. Is that how you proceed?