
As usual, "smart" is anything but
Ok, fine, you'd need to know how to use Wireshark, which is probably not on the list of abilities of every thief in the area, but still, this is just one more thing to add to the ever-growing list of things IoT has promised and not kept in Real Life (TM).
A bog-standard lock may not be the right solution to protect a front door, but a good, 5-point security lock is.
And you don't need to worry about the state of the batteries.