A journal article will be more legitimate, but if spreading the word is the point (I'm just guess it is one of the aim) then twittering is better. Like someone

A journal article will be more legitimate, but if spreading the word is the point (I'm just guess it is one of the aim) then twittering is better. Like someone else commented, the good doctor could have done both. Back to your example, at the very least, I would be reminded to seek a second opinion, assuming I believe what I had read to a minimal extent.