Despite her confidence in her brother-in-law, Iris still made Jin Chonglin swear to keep the existence of both Ketchup and Bacon a top secret. Although the continued confusion made Jin Chonglin's mind whirl, he still agreed and swore on the spot to not tell anyone about his incredible cat AI niece and nephew.
His IQ might not be as high as his older brother Jin Liwei but he was still smart enough to figure out on his own about the implications of having not one but two revolutionary AI beings. Humans weren't all the same. There were some people in the world who were greedy enough to do just about anything, including cold-blooded brutality and even murder, just to possess this kind of ground-breaking technology.