I'm not very tech savvy but it looks like he has 2.2 million followers on Facebook. That's one in every 150 people who see his thoughts immediately. Not sure that classifies as obscure.
Plus, we see obscure texts in the PF constantly without trying to find them. It may be less about people finding "obscure" texts and more about "obscure" texts finding their way to people who aren't even looking.
Facebook is confined to the US?