Not to be super-pessimistic but the pharmaceutical industry seems to based upon encouraging awareness and promotion of name brands. Advertising and incentivizing doctors to prescribe promotes a system where the average patient has a hard time understanding and navigating, especially where the patient wants the best opportunity to treat a significant impact to their wellness.
I read this recently (quoted in the article too). It was fascinating and explains the « why » :
https://www.404media.co/where-facebooks-ai-slop-comes-from/