20 points
I haven’t done an extensive survey or anything, but every modern router I’ve interacted with supports setting up a secondary WiFi network with guest isolation (so anything on that SSID can’t see any network device besides the router and itself). This is useful for apps or hardware that is untrusted and/or demands unjustified permissions.
6 points
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Correct, using the guest network is better but I think turning off WiFi and just using mobile data is sufficient. I wonder if the permission applies to cellular connectivity as well.
4 points