You may not have put in anything directly but they have stuff about a lot of the people you follow, recommendations to you and ML that analyzes your habits to better find info about you. Who knows what computers can infer based on all these inputs? At this point they own so much data based on all these connections they likely do not need to listen. It would be good if these companies had to be a little more transparent about how they connect all the dots.
Does the quality of the ads you see really make you confident that they're paying attention to all of these data points and have an amazing algorithm that ties it all together?