The idea being to replace plastic bottles - which are both far less recyclable, and far less recycled.

No mention of replacing plastic bags, where aluminium is far less suitable. A minor upside - plastic bottles are generally far thicker than bags.

The obvious issue is mentioned:

> ...most food-grade aluminium needs internal lacquer or polymer coatings, which must also meet recyclability guidelines...

(If anyone is unfamiliar, "aluminium" is the British and IUPAC spelling - https://en.wiktionary.org/wiki/aluminium#Usage_notes )