users sometimes end up with some combination of the above:
1) multiple wifi networks 2) ‘guest mode’ wifi networks (you can’t communicate to other devices on the same network) 3) various airplane mode type scenarios where they have cellular but not wifi connections semi-randomly, even on the same property/area.
these all happen with out of the box ISP setups pretty regularly, btw.
and they’ll just blame you for the flakiness.
also, for most of them, they love remote access anyway and don’t want to consider the security implications.