The guy has a girlfriend and he obviously had a conversation with her where he was too afraid to put it on HN. She took the initiative, as a good woman should do, and did an excellent job demonstrating the tool.
So I would say the more technical term for your feeling is: nonsensical.
Fine. gimmick or not. Give the guy credit for creating a good launch narrative in a sea of "Check out my start-up" posts. This is clever marketing, the conversation doesn't have to go much further.
So I would say the more technical term for your feeling is: nonsensical.