In 2008’s The Dark Knight, Batman figures out a way to access every single cell phone in Gotham, covertly using their microphones to help track down the Joker. This technology is deemed so obviously unethical that his gadgets guy, Lucius Fox, essentially quits on the spot, protesting, “It’s too much power for one person.”
Ultimately, though, Batman does prove himself worthy of wielding it — not by using it for good, which he does, but by having Lucius destroy it immediately after. It is, we understand, the only moral choice.
11 years later, Spider-Man: Far From Home entrusts Spider-Man with a technology that’s a bit like Batman’s SONAR, in that it allows our hero to surveil every mobile phone in his vicinity, but vastly more invasive and more dangerous