ROFL...
The email states:
ENJOY PREMIUM DRINKS, ON THE HOUSE.
We're serving up an exclusive upgrade just for our Card Members! For the entire month of June, show your Delta SkyMilesŪ Credit Card at THE BAR at Delta Sky ClubŪ and enjoy up to 2 free Premium beverages every time you visit*, courtesy of #DeltaAmexPerks.
And, if experience has taught you that it is always best to click a few more times to find the Terms & Conditions you find:
Valid only for guests 21 years and older. Good for two beverages per active Delta SkyMiles Credit Card presented to Delta Sky Club per daily visit. Select champagnes and Premium spirits are excluded. A list of excluded beverages will be provided upon request. ...
So, there are some drinks
more PREMIUM than PREMIUM, and they are excluded?
Even the most talented satire writer could not make this stuff up.
With apologies to George Orwell... "All premium drinks are premium but some premium drinks are more premium than others".