They aren't more malicious than billboards (which of course have been banned in some major cities [1]) or other public advertising, but they are equally malicio

They aren't more malicious than billboards (which of course have been banned in some major cities [1]) or other public advertising, but they are equally malicious. [edit] Having said that, the 'security risk' angle does make online ads more malicious, potentially... 1: https://www.newdream.org/resources/sao-paolo-ad-ban https://www.newdream.org/resources/sao-paolo-ad-ban