I'm not arguing that point. But I think focusing on these frankly-stupid "look we can transfer data using light" papers severely undersells the effectiveness of

I'm not arguing that point. But I think focusing on these frankly-stupid "look we can transfer data using light" papers severely undersells the effectiveness of air gaps, for people who do need them. It should be obvious to anyone who has used a QR code that it's possible to transfer data over other channels, but it's pretty obvious it's happening.