I think these are good news actually. I mean, do we really want to keep getting investors that come up from adds? Those are definitely searching for big profits and have no interest in actually trying to understand what project are they buying into. There type of "investors" (if we can even call them that), are the first ones to panic sell everything they have, and only contribute to the volatility of crypto. We want real investors, and those will not be found through adds. Also most, of those adds are scam anyway, so by banning them, the crypto scams will probably be less efective, and that will contribute to a sense of security in the crypto world.
