Therefore, I think nearly all philosophers need to know some QM and neurology.
The question is whether knowing a little QM and neurology is more or less harmful than knowing none at all.
Nothing can protect you from people who fail to apply their knowledge well. Partial knowledge at least makes them aware that there is more to learn.
I'm sure most of us are used to just being able to badger him about things in the comments here on LW, but for anyone interested here's the link.