Also, you presumably have to know or be willing to contact a lawyer and starting paying their fees for what could well be a non-issue. I can understand the risk

Also, you presumably have to know or be willing to contact a lawyer and starting paying their fees for what could well be a non-issue. I can understand the risks in the US, but it just seems very adversarial. I have no qualms regarding speaking with police in Australia. I don't have fears of them planting evidence or tripping me up on something. But that might not be true of all Australians, I guess.