Control Group Out of Control?

I can’t pretend to understand the technicalities of experimental statistics but I can’t decide from this piece whether the sceptics are over confident, confused or running scared about paranormal research.
There does seem to be an admission of the experimenter effect when ‘believers’ get a positive result and sceptics a negative one.
And the writer here suggests “When researchers who don’t believe something, discover it, that’s when it’s worth looking into.”