My LineageOS phone already has a “share WiFi” feature that displays a QR code as well as the SSID and passcode I thought this was standard on all modern phones

So guests use their phone data to access a publicly available list of WiFi credentials and then use that to connect to your home network???

My name is Buck… And I’m here to- PARTY!

also the most famous one:

This is what happens when you find a stranger in the Alps