That would be bad enough. In fact, it was bad enough that Mark Nikolai, the deputy offering this advice, was placed on "leave." Sheriff's departments all over the west have had to issue statements explaining that no, the fires are not being set by antifa activists. This has been deeply disappointing news to rightwing zealots who were really hoping for a scenario in which they could murder some liberals and still not be the bad guys.
But it is much, much worse than just spreading terrible rumors. Because at about 1:14 in this other video below, Nikolai also tells the militia members that if they kill someone, they should leave a knife on the body in order to give themselves a way to claim self-defense.
Коп в Орегоне подсказывает местным "эскадронам смерти", что в случае, если они убьют кого-то, кого считают леваками, нужно подкинуть нож и заявить, что это была самооборона. По ссылке есть видео.