What device settings actually protect against
Launch library · evergreen read

Device level settings, such as screen time limits, content filters and app permissions, can reduce a young person's exposure to certain risks, though they generally work best as one part of a broader approach rather than a complete solution capable of standing entirely on its own.
These settings are typically more effective at limiting exposure to clearly inappropriate content than at addressing more nuanced risks, such as manipulation occurring within an otherwise entirely appropriate app, which usually requires ongoing conversation rather than any single technical setting alone to address properly, a factor that is easy to underestimate until it is genuinely absent.
Reviewing device settings together with a young person, rather than configuring them alone without any discussion, tends to build genuine understanding of why the settings actually exist, which often proves considerably more protective over time than the settings themselves ever could on their own, a difference that becomes clearest only once genuinely put to the test.