It is defaulted to on so you must disable Amazon Sidewall to ensure privacy.
Otherwise, your neighbors can do network probe (or Houdini) on your homeLAN over Bluetooth LE or LoRa transmission layer.
https://en.m.wikipedia.org/wiki/Amazon_Sidewalk
https://www.amazon.com/gp/help/customer/display.html?ots=1&s...
https://go.catonetworks.com/Q221-SASE-Threat-Research-Report...