Yeah and it's also worth pointing out echo chambers have kind of been a feature of the internet from the very beginning, they were just a lot smaller back then so not as big of a deal. Before the rise of social media sites like digg, reddit, Facebook etc subject-specific forums, message boards and email lists were much more common.
Poor little piggies think everyone is out to get them, imagine being so self-absorbed that you think a barista with two kids to feed getting paid $8.25/hr would put her tampon in your coffee