ZigBee devices are often able to be used with a 3rd party hub. For instance, all the IKEA stuff works with any standard ZigBee hub. They don’t have a line to the internet if you control the hub.
And a lot of hubs are USB sticks that plug into your home automation system. They’d have to navigate that system to get to the internet. Not impossible, but highly unlikely.
ZigBee devices are often able to be used with a 3rd party hub. For instance, all the IKEA stuff works with any standard ZigBee hub. They don’t have a line to the internet if you control the hub.
And a lot of hubs are USB sticks that plug into your home automation system. They’d have to navigate that system to get to the internet. Not impossible, but highly unlikely.