And that's my point... they should never have been in the situation where they felt like they had to put the autopilot on. It should have already been in from when they started their approach.
I don't want to divert this into another discussion about the mindset of using and not using automatics.
My point is that when the weather isn't top notch, as in this situation, use whatever means you have at your disposal to keep your workload to a minimum.