"... I marvel at how many caffeine addicts are standing in line at Starbucks for however long ready to drop $10 (or whatever it costs) for a beverage with a com

"... I marvel at how many caffeine addicts are standing in line at Starbucks for however long ready to drop $10 (or whatever it costs) for a beverage with a completely unknown and highly variable dose of what is fundamentally a drug ..." You mean, sugar ? A vast majority of the "coffee" drinkers you witness are consuming something that is indistinguishable from an ice-cream sunday. Would that they were just consuming caffeine ... they would be much, much better off.