Your post is a good primer on bullshit detection: if you read something on the internet that sounds confidently authoritative, but you yourself are not well-versed in the subject, find what seems to be some key phrases and search the web for them. If you find lots of other hits on seemingly-reputable sources, then what you've read may be correct. If you only find the thing that you've just read, it's bullshit, with high probability.
Entropy is not the number of possible states in a system. Entropy includes outcomes not predicted by the mental model. Convention teaches this incorrectly. I’m the black sheep, bhaaaa.