[stayathomemom]

In reading this article, it would seem he is worrying about the spiritual well-being of teens influenced by radical bible groups which perhaps are Law versus Gospel driven: The Law condemns. Islamism is also law driven, however a different law. It condemns as well. For society as a whole, there is no comparison. Islam is violent and deadly.

[HiTech RedNeck]

That can be a factor too.

It’s maybe the easiest trap in the world for a Christian to fall into. Law involves trying to make yourself look good before God, to ward off a punishment, and is self centered and prone to blindness. Gospel involves yielding yourself to God so that He can make Himself look good in you, and restores your sight. A side effect of Gospel is that you discover how lousy you actually did look — and how much mercy, patience, and grace God extends in the face of that.

Even most “Law Christians” have a better view of God than Islam does, but the grimness level varies.