An insightful comment on HackerNews: "There's no such thing as an app that cares about your privacy or your interests."

"If the app could make another $0.05 selling your location to kidnapping gangs, they'd do it."

Similar to Stuart Russell's observation that an optimizing system will always take a miniscule benefit on the dimension it is rewarded for, even at catastrophic cost to the other dimensions.

Companies have learned that users don't actually take action about privacy, so apps go to 11 on the most user-hostile actions that make them incrementally more profit.