"Smoking-cessation products approved by the FDA include prescription nasal sprays and over-the-counter gums, patches and lozenges.
GlaxoSmithKline Plc's Nicorette gum was the top-selling brand-name nicotine-replacement drug for the year ended in June, with $144.6 million in sales, or 12 percent of the $1.2 billion smoking-cessation market, according to IMS Health Inc., a research company in Norwalk, Conn."
That's what it's all about right there. Don't fuck with big pharma's revenue stream.