al-shabab is dysfunctional.
You’re correct- and to prove it- here’s an interview with a spokesman for Al-Shabaab:
http://www.channel4.com/news/al-shabaab-nairobi-kenya-westgate-shopping-mall-attack
Remember how their fake and/or real twitter account said the White Widow from UK was fighting with them? The guy being interviewed says women never go onto battlefield with them.