I feel like they're probably more powerful and they're redirecting the majority of the computational power of the device somewhere else but getting the miner to pay for the hardware an power they're siphoning off for personal profit.
When you have no understanding of something, jumping straight into a conspiracy theory is pretty ridiculous. All you would have to do is wireshark the network interface for 10 seconds to see its not sending out secret hashes elsewhere. Please do not fall into the tin foil idocy that pervades these forums nowadays. Try to make statements based on fact.
Heres a lil secret: The B3 uses the Sophon AI chip, which is a more general purpose chip than a standard ASIC and can be used for many other things.