I briefly appear in this video about why rm -rf / is even possible and why efivarfs (which is my fault) turned this from merely destroying operating systems to bricking motherboards: https://www.youtube.com/watch?v=-iwvu0uozhs
The Most Dangerous Linux Command Explained

YouTube
@mjg59
If you hadn't mentioned efivarfs I would have seen the thumbnail and ignored it since rm - rf / is old news and I would assume it's a video I would find boring.