Indoctrination via decades of advertisements in clear demonstration. The imagery from this description are taken directly from coke advertisements. Either that or this is a parody.
I suppose but fizzy drinks while not as popular today were yet pretty popular before the aftermath of WWII unleashed a vigorous advertising industry. Sure before then you had roadside painted signs (T bar style) but it’s not attributable to saturation.
Or, humor me, bubbly cold sugar water tastes good when you're hot and tired.