This isn't the equivalent of spark plugs. It's the equivalent knowing how the windows work. If you drive around with the windows down while yelling at the per

This isn't the equivalent of spark plugs. It's the equivalent knowing how the windows work. If you drive around with the windows down while yelling at the person in the passenger, seat, don't be surprised if other people can hear you. And you can't use as a defense that you didn't know that you needed to have the windows up.