That might work if it was conscious and intentional. If Aunt Martha, sends you a stream of political spam and you occasionally click on them in case there was

That might work if it was conscious and intentional. If Aunt Martha, sends you a stream of political spam and you occasionally click on them in case there was some implied nonpolitical or interesting content, you've fed the algorithm something, and now you're in the "My Tivo thinks I'm gay" rabbit hole. There might be ways to redact your profile, but they're hardly well publicised and surgical.