There is very much a social stigma. I remember being quite shocked when I lived in Canada a few years ago, and people would tell stories that would end "I don'

There is very much a social stigma. I remember being quite shocked when I lived in Canada a few years ago, and people would tell stories that would end "I don't even remember driving home that night". That just wouldn't be acceptable back home (or at least in equivalent social circles). To get onto wild speculation and anecdote, I noticed that anti-drink drive adverts in the UK tend to focus on how horrific it would be to be responsible for killing someone, whereas in Canada they focused on what the penalties would be if you were caught.