Category error. Points can be valid and salient mostly online at the same time.
Though: the validity of "nobody should ever talk to the police" is highly disputable. It assumes the only objective anybody would have in a police encounter is not being prosecuted. Prosecution is unlikely, and there are other important objectives.
No, that's not what it assumes at all. For example, another objective would be avoiding the situation described in the article the rest of us are commenting on.