It's because for the plebs that just watch free to air tv, they have like 3 choices they usually pick from, and at the time they zombie out in front of the tv, it's the more attractive option.
The rest of us avoid free to air like the plague, and are not the target audience.
That makes no sense?
The app I use has a built in filter. You just add a user to the filter and you don't see their posts or comments.