Yes, I think people can be intelligent, but have completely flawed belief systems. The political left all over the world has many intelligent people, but intelligence in implementing evil is not good. What the world needs is intelligence combined with good will.
No kidding.
ACD and the fairies comes to mind.
Which is why when I see people buying into ideas just as ludicrous I try to give them a push in the right direction. Usually does not work. Probably won't here either. Or someone might take a look beyond the charts and tables and wonder just how this data came to be and dig. You never know. People can surprise you.