Bah, can't modify my post 'cause it's been >5 seconds ...
Forgot to add that (s)he also talks really fast (as do most snake oil salespeople) and both use the argument from antiquity (Bruce said that even neandertals were using this 50,000 years ago, and Glynis always refers back to 'This was invented by Pythagoras of ancient Greece').
They really are very similar.