YUROP

They do it in Switzerland too.

Nobody would want an extra production line for such an small unimportant market

https://www.blick.ch/wirtschaft/richtlinie-gilt-eigentlich-nur-fuer-eu-festhaengender-deckel-nuetzlich-oder-nervig-id19893713.html

Though small, plastic bottle caps and lids contribute significantly to Europe’s nearly 26 million tonnes of plastic waste generated yearly. Much of this waste becomes marine litter, with plastics making up approximately 80% of the debris in our oceans.

I know you don't yet have oceans in Switzerland, but that bit of discomfort is worth it, imho. If you don't like it, get a glass (hori or verti, your choice) or your trusty Sigg.

Eh, it's alright. Some companies do it better than others.