Symptomatic of the times. Zero blood alcohol content is the rule. And they can test you at any time. Like most things these days, the fun is being slowly squeezed from everything we do thanks to burgeoning bureaucracy and a higher command that is all too willing to microscopically scrutinize everything the front line does in the name of ‘governance’ and ‘safety’.
As for ‘energy’ drinks, I reckon they are more harm than alcohol. Wouldn't touch ‘em.