Wrong. There's the law, and then there's good-old fashioned common sense that's been missing since the 60s.
The conservative route, in this context, would be the co-worker being happy that the woman is protecting herself and not saying anything else that would endanger the woman.
Sorry, that would be criminal in and of itself. The conservative route IS NOT BECOMING AN ACCESSORY AFTER THE FACT no matter how badly you want to call that conservatism. It's criminal, plainly criminal. How we've fallen that so-called-conservatives now openly call for criminal conspiracies in open and public forums.