If these are medical students, they can't actually do much of anything.
You can get a provisional license after you complete med school, but that means you must be supervised by a resident.
You can get a full license after you complete your internship year.
So these well-meaning people cannot prescribe anything, can't perform any procedures, and really shouldn't be touching a patient, without a license.
I think there is a breed of social media doctors ie those who give advice, appear on radio and TV talk shows, and - obviously - do social media.
Call them celeb MDs. The objective is less about practicing medicine - long hours, sick/injured/dying patients, dealing with insurance and welfare paperwork and headaches - and more about raising one’s profile in search of the next plum gig.
In this the young med students are no different to young business or zoology students. Everyone wants to be a star.