Well-known that I didn't drink at all.

There is very little good that can happen when a company serves or provides mind-altering drugs to its employees. That includes alcohol.

And also coffee of course. And sugary drinks. And chocolate[1] (won't spoil the link but the first phrase mentions "opioids" - like heroin, you know). I'd suggest just give out distilled water. Preferably without any container, so to not contribute to the pollution.

[1] http://www.ehow.com/how-does_5132052_chocolate-affect-person...

A lot of good can happen, from a pleasant meal with wine to a fantastic night that the participants will never forget.