In other words, no
Of course, this parent really intended to inform his son that he had left his mobile phone at home when he made the comment. The problem is that we might get too dependent on our mobile devices, forgetting that they aren’t really us. The typical individual spends almost all of their waking and sleeping hours in front of their mobile device. When someone loses their phone, our initial inclination is to contact their phone to inform them.
Maybe dad realized his mistake and tried to contact his child in another manner after that. If the father hadn’t realized his error, it’s simply too frightening to think about.