Red wine drinkers - Wealthier and well-educated, ambitious.
White wine drinker - The casual wine drinker. They are content with their lot in life (not so ambitious, I guess).
Rosé wine drinker - Social types--they're apparently either at parties or on Facebook.
But this needs further work to break it down. After all, you are what you drink:
|"I'm all dressed up and out in public|
so I can't be seen with a beer."
Image from news.au.com