You can't scan someone's DNA from 20 feet away in tens of milliseconds with <$100 of hardware. We're able to do facial recognition on microcontrollers costing

You can't scan someone's DNA from 20 feet away in tens of milliseconds with <$100 of hardware. We're able to do facial recognition on microcontrollers costing less than $5. Commercial facial classification on that class of hardware is half a decade out.