People aren't tried in a court of common sense, they are tried in a court of law. If the law doesn't protect the use of common sense, then the law should change

People aren't tried in a court of common sense, they are tried in a court of law. If the law doesn't protect the use of common sense, then the law should change. "Some lawyer in a YouTube video" is still far more qualified to tell me how to behave around the police than you are. Regardless of whether you think it is common sense or not. Obviously, you have to weigh the risks and decide for yourself, but that is such a trivial statement that it really doesn't need to be said. What needs to be said is that you don't know the risks unless you know the law and the status of the investigation; thus common sense should tell you not to talk to the police at all.