> Your excerpt there is only measuring the viewing habits of 18-49 years old who watch TV.

That is true. There are likely a number of people who took part in the reddit survey (which is also just an amateur survey so results can be skewed just from that) who only watch streaming or pirated shows, whereas the Neilsen numbers can include those who just watch TV.

But still there seems to be more social media hype for some shows than actual viewership.