Perhaps because the existing production is already committed to other markets, and due to supply chain issues it often takes months in order to effect changes to scheduled production.
Not to mention the continuing difficulties of getting product to other parts of the world - there may be oodles of film sitting on various ships and trucks travelling around the world.
Not to mention the continuing difficulties of getting product to other parts of the world - there may be oodles of film sitting on various ships and trucks travelling around the world.