She doesn't know how to use Reddit. She isn't executing some marvelous plan, she's incompetent. Venture capitalists looked at some numbers and decided to throw money at Reddit. They don't use the site. They don't care. Corporate meritocracy is fine with them because it means they'll get their project return across their portfolio. The leadership is going to make MBA™ level decisions that are going to result in Reddit turning into 9gag, because they've never heard of 9gag.