Quote ="Oxford Exile"there's having a beer and then there's having a beer. Professional sportsmen and women at the top of their game know where the line is and they have the personal, in-built motivation and desire to succeed that means they never cross the line.
However, some people need keeping on the straight and narrow to allow them to fulfill their own potential. Having a team full of these folks is a recipe for mediocrity and failure (the drinking culture model). Having one or two questionable characters (usually the most talented) is usually OK as long as they are managed properly by strong leaders. (see Lee Briers).'"
I think that you are right there needs to be a self regulated reasonable limit and or an element of control whether that's from the club, senior pro's or restrictive times being observed such as quaffing bottles of aftershave limited to after match dinners