While the whole world is trying to cut down on single-use plastic waste, NÖM (Niederösterreichische Molkerei) is expanding sales of milk and other dairy products in plastic containers—in 2018. Turns out they started selling milk in these 'practical' PET flasks in 2001, and confronted with the negative environmental impact, NÖM alleged that sales were five times higher than in glass flasks. No wonder: they where phasing them out at the time.
Nowadays I guess they'd argue that producing a plastic bottle is far more energy efficient than a paper carton with a thin inner plastic coating (remembering discussions several years ago on plastic vs. paper bags). Be that as it may: it still is not a smart move to look at the problem just from that one particular perspective. And why expand sales in plastic right now, NÖM?