Ironicaly while he does not believe in the existance of Autism (see above). I recently heard him say he thinks there may be somehting to the vaccine/Autism link.
If he was a Rishon, I would kler a chakirah: does he mean that the measles vaccine causes brattiness, or efshar the type of parents who vaccinate are bad disciplinarians, or a third tzad, he means the other 1%.