rehashed online article; article written from the comfort of a kotatsu
Internet slang for an article that merely rehashes information already available online or on TV, often written lazily without original reporting. The literal meaning is an article written while staying warm under a kotatsu.
See also: こたつ
That news site is full of rehashed articles, with hardly any new information.
He is famous as a writer who churns out kotatsu articles.