The Incredibly Dull
These come in a couple of forms:
A) The people who mention they're as young/old as the people in the videos and they're very embarrassed by the reactions of fellow members of their age range. They're the Martin Luther Kings of 13-year-olds who don't want to be associated with slightly less-aware 13-year-olds.
Their comments get washed away in a tsunami of no one giving a shit.
B) People who suggest episode topics so boring that I wonder what kinds of lives these people have had that this garbage idea is worthy of 30 exclamation points.
Centralia, Pennsylvania, is a former coal-mining town. In 1962 a fire was sparked in one of its mines. The flames spread beneath the town's streets, beneath its homes and local businesses. That fire is still burning to this day. It was a town of 1,000 people. Only eight remained as of 2013. Who the fuck would want to watch a teenager's reaction to that?
It pains me to admit, but I could find no evidence of their core audience, the one at the center of the Venn diagram, the fabled Incredibly Dull Tween Anime Fan. There are plenty that somewhat fit that description, but it's incredibly difficult to find someone who perfectly embodies every quality and puts them all on display in a single comment. They are, perhaps, too rare a creature. But I've found a fan even rarer than that. I have found the core demo's nightmarish, aging opposite -- the Weirdly Fascinating Elder Anime Fan: