Updated
A drink photo has to make someone thirsty and still let them read the label. That balance decides most beverage images: the bottle must be cold, fresh and inviting, and the brand name must stay sharp at thumbnail size.
Three things trip shoots up. Glass and cans reflect everything around them, condensation dries or runs before the shutter fires, and a clean pour takes rigs and many attempts. Each flavour in a range has to repeat the result exactly.