Just wait until SHTF and all those medicated folks can no longer get their hands on their meds, and start withdrawing. Withdrawal from anti-depressants and anti-anxiety meds can be hell, and last months if not years. The system solution? More medication, of course. Talk about ramping up the chaos!!!
"Ye hear of wars in far countries, and you say that there will soon be great wars in far countries, but ye know not the hearts of men in your own land."