chillfox parent
Not really, The default wifi router supplied by the biggest ISP here has got a guest network turned on by default.
Which ISP? Comcast in America does that crap, but it's worthless to snoopers since you need a Comcast account to do anything on it, so will actively need to log in.
Can you connect to it and get internet without hitting a captive portal that requires your ISP creds? That’s usually how it happens in the US.