And I could buy British gin in Hong Kong cheaper than in UK
Eg £4 https://www.aldi.co.uk/kooliburra-australian-chardonnay/p/04...
https://www.decanter.com/learn/tax-wine-much-pay-uk-ask-deca...
You can find proper wine at 4-5€ at the producer, 3.5€ is probably the strict absolute minimum where you can find honest wine direct from producer. Any thing below is just fermented garbage, the grappes that otherwise would spoil the wine, it just happen to have sugar to be fermented, I don't know how the hell how they are pre-processed, just stay away from it.
"The natural advantages which one country has over another, in producing particular commodities, are sometimes so great, that it is acknowledged by all the world to be in vain to struggle with them. By means of glasses, hot-beds, and hot-walls, very good grapes can be raised in Scotland, and very good wine, too, can be made of them, at about thirty times the expense for which at least equally good can be brought from foreign countries."
-- Wealth of Nations, Adam Smith
For wines in a top US region, you wind up paying a ton of money for the mortgage on the land, too.