For me it was “The Most Controversial Children’s Book in History” by Solar Sands, in which he analyzes The Giving Tree. It led me to think about my relationship with my parents, and about what kind of relationship I might have with my kids if I ever become a parent.
Basically any one of the various NotJustBikes videos highlighting shitty half-assed infrastructure designs in north American cities throughout the US and Canada.
People rarely complain about infrastructure to thier local governments so nothing rarely improves
Great channel. In a similar vein, I recommend Adam Something.