Thread is based on Zigbee in the sense that the thread designers read papers about the Zigbee spec. Also matter is partially based on Zigbee with its use of Zig

Thread is based on Zigbee in the sense that the thread designers read papers about the Zigbee spec. Also matter is partially based on Zigbee with its use of Zigbee clusters (deep in the stack, away from end users). Zigbee and thread are different protocols and incompatible. You cannot mix them and that’s what most people are about.