There has been (in the UK) a change in culture in the last 10 - 15 years regarding drinking but like so many attitudes we have inherited from our US cousins we are trying to make life risk free, it isn't no one escapes alive!
I wish the same puritanical zeal would be used address the known and proven effects of fatigue which I and my colleagues ARE very familiar with and live with daily.
If the general public were aware of just how tired their pilots are on many occasions, well that would make some headlines.