you have to have some intellectual points to respond with intellectual points. Human beings if baseline inteligence was less can certainly do the scientific method properly. Its a procudure and does not require hawking level intellect to work with. The studies do not require any new field of math or such. You points he was resbonding to where your feelings. you feel baseline intellect is degraded (which if it was would not give a feel for the intellect of the average scientist), you freel something is going one. you would not absolve flouride based on your feelings.