I strongly suspect that Amazon is already doing this, one of their commercials causes my Echo Dot to light up, but it gives no response. I'm sure they've got so

I strongly suspect that Amazon is already doing this, one of their commercials causes my Echo Dot to light up, but it gives no response. I'm sure they've got some way of fingerprinting the exact audio used in the commercial and they'd be foolish not to be recording how many times it gets tripped.