Some ways I saw around this is by being in another country, and/or getting some bullshit PhD. I see a lot of chiropractors giving nutrition advice.
Even if they don’t call themselves doctor, they will say they are a medical practitioner, or health expert because of their self published PDF book or their shitty blog.
Sorry I edited my comment. I think the difference, not just being able to comment, but is being able to post. Like not everyone is able to post an article in Gizmodo but anyone can post a video on YouTube, or a story on Instagram.
This is just my own thoughts on it. I don’t actually know what the official definition of social media is.