The three poisons never go out of style, unfortunately. It's much easier for people to blame others for their problems than it is for them to take a hard look at themselves and correct their negativities. We should pray for people who are so angry and ignorant.
Often poverty and lack of education lead to the formation of such extremist groups. This is why being a teacher is a very special job. Teachers can often have a very positive influence on their students, especially when the students have a very negative family life.
May we each generate great compassion for all beings and bring great benefit to them.
Eric Hoffer, who wrote "The True Believer" touched on how and why people get sucked into such groups. His thought was that the growth of such movements was attributable, in part, to a breakdown in middle class affluence.