Ketamine is on the World Health Organization's list of essential medicines and is a primary anesthetic for infants, geriatric patients, and large areas of the developing world where access to general anesthetics is limited. It's also the field anesthetic of choice for situations where a patient has unknown allergens or is uncommunicative -- in the United States it's a standard issue medication for ambulances.
But, please continue with your misinformed and unfunny meme...