What were people so afraid of that if you saw this video you deserved to go to jail in some countries? Is it that bad? The ISIS videos of people being executed

What were people so afraid of that if you saw this video you deserved to go to jail in some countries? Is it that bad? The ISIS videos of people being executed were magnitudes more gruesome than this, and they were on CNN/FOX news. Do you think everyone who watches the evening news has a sick compulsion as well?