At times, the credibility of the deal itself has nothing to do
with the sexual advances that comes packed with it. Sometimes, the
offer/deal could really be the product of a team of diligent and
well-intended talents.
The cherry, however, could be added intentionally or
unintentionally.
Sex, in this case, should neither promise nor degrade the delivery
of an offer. Yet sadly, this is an idealised statement.
Sex appeal speaks louder.
Sex sells, and sells anything better.
Blame it on the dark side of the human nature as supply/demand
mechanism only serves to adhere to unleashed desires. 
