These are what we call the 'YMMV items.' Things that some people find in this work. We call them 'your mileage might vary' because not everyone sees these things in the same way. This starts discussions in the trope lists, a thing we don't want. Please use the discussion page if you'd like to discuss any of these items.
If you're not convinced, look at all the Miku Miku Dance videos featuring that song.
Tear Jerker: "Show me the meaning of being lonely". Even worse when you recall that it's inspired on Howie D's dead sister, and then other loved lost ones were added (AJ's ex-girlfriend, Kevin's Disappeared Dad, and their ex-producer).
Play "Shape Of My Heart" in a room full of 90's kids and watch the tears flow.
The Woobie: You really have to feel for Nick, who came from a Big Screwed-Up Family with a history of drug and alcohol abuse and Abusive Parents. His reality show, House of Carters, is considered by most of the fandom to be very difficult to watch due to the erratic behavior of his siblings. His sister Leslie passed away in 2012 from a drug overdose and Nick released a memoir about about growing up in a difficult family.