Fluoride does not calcify the pineal gland. Calcification of he pineal gland is a normal process during life; older people have more calcium deposits in the pineal tan young ones.
This is a good study showing some research on fluoride deposition in the human pineal.
The purpose was to discover whether fluoride (F) accumulates in the aged human pineal gland. The aims were to determine (a) F-concentrations of the pineal gland (wet), corresponding muscle (wet) and bone (ash); (b) calcium-concentration of the pineal. Pineal, muscle and bone were dissected from...
www.ncbi.nlm.nih.gov
So basically fluoride intake causes fluoride deposition, not calcification. The implications of this are unknown for the moment. To say that it makes the population dumbs the population is silly, esp when no studies exist on that. To say that fluoride is toxic is also silly; the poison is in the dosage.