The following was brought to my attention by a friend who thought he was the odd one out for thinking what you're about to think:
While 3 years ago I would have probably felt the same way, I think it's safe to say now that "they" (advertisers) are completely aware of whatever interpretation you have of their ad. FYI, the Circulator is a particular bus in DC.
Who wants to look at two silhouettes sip champagne? No one.
Who wants to look at a sexual reference? Everyone.