And it's all made by humans (other than creepy cartoons and listicles). I had to take apart my vacuum cleaner to debug it (turns out the power cord got frayed inside the bobbin) and the websites were full of autogenerated crap.

YouTube? There's a channel by a vacuum cleaner repairman that has a video about my model. Turns out I didn't miss any screws or latches, I just had to give the housing a stronger yank to open it.