This is why I went with HomeKit devices only where possible. The door lock is HomeKit and does Bluetooth so it works when the power is out and internet is down

This is why I went with HomeKit devices only where possible. The door lock is HomeKit and does Bluetooth so it works when the power is out and internet is down, has a key and PIN code for backup. Garage door opener requires the WiFi to be up, but it will work without internet if you’re close enough to connect to home WiFi. HomeKit is far from perfect but I like that it doesn’t require internet for the core functions to work. Thread and Matter devices have made it even better.