I don't think this is specific to PG, it's accurate for any article you read where you have more knowledge about the subject than the author. PGs knowledge abou

I don't think this is specific to PG, it's accurate for any article you read where you have more knowledge about the subject than the author. PGs knowledge about ideas is so high, that probably just a few people look at it as confused, while other articles have a lower limit for when people thinks it's confusing.