It's the classic "I have nothing to hide" argument. Which immediately breaks down when you realize that, with enough information about someone, you can implicat

It's the classic "I have nothing to hide" argument. Which immediately breaks down when you realize that, with enough information about someone, you can implicate them in something illegal. A case can be built against them, a narrative spun, and an innocent person spending their lives locked up. This happens constantly in the US judicial system, though I believe it is often unintentional, just human bias doing it's thing.