Usually you have organizations like advertising standard authorities, who will absolutely crack down on untruthful ads. The ones in Australia and in the UK com

Usually you have organizations like advertising standard authorities, who will absolutely crack down on untruthful ads. The ones in Australia and in the UK come to mind and have serious bite in confronting offenders. Add to that that ads in newspapers are clearly identifiable as ads, while this is much more intermingled in social media.