The leader of the United States encouraging law enforcement and the military to shoot American citizens for looting, that's the line.
Which I agree with to some extent, you're not innocent of a crime because you convinced a person to harm another, just because you were too cowardly to get your hands dirty yourself.
But the US is rather famously not British, so I'm not sure if it's a relevant thing to add to the discussion.
1. Please don't loot, it escalates violence and people will get killed
2. Let's kill all the looters
Whether it's Trump or Ghandi, we're imagining we know something about the internal state of the speaker's mind that we don't know.