No, nothing like Pol Pot, the sanctions are more business related. Would they be better off without them? Sure. But that's how we pressure them for governmental change. We might end up pushing for more direct intervention, like we did in Ukraine.
Murdering a bunch of people for protesting is not acceptable behavior, one reason for the sanctions. Criminal activity endorsed by the government there.Sanctions were primarily against individuals, not the country as a whole. Here is Obama's reason: