It needs regulation. In other areas there is also, e.g. cigarettes, alcohol. 'We' don't allow people to e.g. freely consume drugs. The pressure is not (only) on the individual (your: 'start thinking'), The society as a whole has made rules what goes and what not.

There are comparable issues with Google and Facebook. Let economic instruments fix the problems. Tax advertisement. Heavily if necessary.

If I want to drink a Whisky there is a lot of tax (to 'help with my thinking'..;). The same needs to be done with advertisement, imho.