Original sentence: The drink may also be caffeine-free, and although some people disagree on calling such a drink a cola, neither the cola companies themselves nor the vast majority of cola drinkers would make such a distinction
Edited sentence: The drink may also be caffeine-free, and although some people (perhaps with a touch of irony) disagree on calling such a drink a cola, neither the cola companies themselves nor the vast majority of cola drinkers would make such a distinction