They don't need to, since the chan is so littered with random shit posts that some people think everyone will find interesting. Random topics from attentionfags. They think this is like ARP boards so feel entitled to slide the topics.
For details on her methodology, refer to Orwell's 1984 - Ministry of Truth "memory hole"
Early Soviets (Lenin) "re-framed" Trotsky as an "enemy of the people and airbrushed him out of all the pictures partnered with Lenin
The shills strategy is to clutter the "front page" with "place holder" junk to suck up posting space.
I would be in favor of scrapping the obvious loons and great "master shill bread" for stuff way off topic
Either way, I bet you had a good time