I had come to the same conclusion with respect to ID which made the plot a lot easier to swallow. They were essentially a hive mind working with a single purpo

I had come to the same conclusion with respect to ID which made the plot a lot easier to swallow. They were essentially a hive mind working with a single purpose and were therefore incapable of conceiving the notion that they would need to secure their systems against an attack that essentially used their own technology against them.