[oldandboring]

More interesting, to me, is why the corporations that produce house-brand colas don't do this. While not exactly Pepsico, these producers have plenty of financial resources, plus the motivation to get their product as close to Coca-Cola and Pepsi as possible.

[gambiting]

TBF, I think some of them do - Aldi's Cola is like....95% there. I wonder if that last 5% is a concious choice, or an actual technical challenge in replicating the exact taste.