Sometimes you want the wine to be exposed to oxygen as it does; it changes the flavor of the wine, sometimes for the better. This is similar to decanting a wine

Sometimes you want the wine to be exposed to oxygen as it does; it changes the flavor of the wine, sometimes for the better. This is similar to decanting a wine; exposure to air changes it chemically. Wine is often a social experience - so there is something too be said for the "fun" and flash of popping open a cork.