I think it is a reflection of the lack of depth at the operational level. The guy who originally thought up the idea of limo bombs using propane cannisters was already in jail in the UK.

I am sure the deficiencies in the plan were also compounded by the arrogance of doctors who think that because they are smart in medicine they are smart in other "operations." An interview with one of the professors of the "brilliant" neurosurgeon leader of the group discloses earlier manifestations of hubris. This led to many errors that just kept compounding.

I would also point out that unlike the Iran-Hezballah operation in Karbala, these guys got no practice time with training to see if their device would even explode. At this point the Shia terrorist appear to be much more "professional." However, even their operations in Iraq are suffering from the roll up of "secret cells." BTW, anyone know how the Iranian-Hezballah cells came to be called "secret cells?" I thought all terrorist cells were supposed to be secret.