Do you think incumbent drugs companies with significant interest in keeping their expensive drugs on the market would let a free, anyone-can-do-it therapy see t

Do you think incumbent drugs companies with significant interest in keeping their expensive drugs on the market would let a free, anyone-can-do-it therapy see the light of day? Sunlight is a perfect and free remedy for jaundice and vitamin D deficiency, and yet the pediatrician will prescribe blue light therapy and vitamin D medicine and tell you to keep the baby out of sunlight. Scientific literacy and trust are conflated with industry interests, especially in medicine.