> - Science. We know now better about the effect of alcohol. This drove the public opinion into a certain direction. Having the general acceptance this was a bad idea created policies to prevent things like having wine in schools in 1956: https://expat-in-france.com

Not buying it. Common sense has always been enough to see the downsides of alcohol. If people dont care about losing motor functioning and having a painful hangover right now they wont care about a chance they will have liver problems in 40 years.