For making this kind of beverage aluminum can for sure, initially, there would high investments. There is an estimate that introduction of another production phase the cost could rise up for 20% in the beginning. Surely, mastering the process and organizing high volume production the cost would drop.
Compared to PET, yes aluminum is less attractive. As a material as well as the affordable technology they allow us limited forms. On the other hand PET has its own disadvantages regarding different chemicals that are emitted to the content.
This concept idea is developed not for any specific client. This concept exist to show that it is possible and necessary to see things in a different light. Different from what we got used to and what we take for granted.