You wouldn't wear them out shopping.
They do in Russia, or at least they did 20 years ago when I was staying there. It was quite common to see WW2 veterans wearing their medal ribbons, or less often the medals themselves when out and about in civvies on a day to day basis.
The Gold Star of the Hero of the Soviet Union (which is solid gold) was meant to be worn at all times, never the ribbon alone, and I did a double take in Moscow one day when a smartly dressed man strode past me wearing said medal on his lapel. The Soviets didnt use post-nominals but still took medals very seriously and there was no cynicism directed at the holders. Holders of the Order of Lenin were allowed to go to the head of the queue at railway booking offices, post offices, shops etc, and in the latter days of the Soviet Union that was a privelege worth having!