I'm told by a friend with French relatives that they used to provide their own "boîtes" (plastic, glass, stainless, or silicone boxes or containers) when shopping for fresh produce, seafood, etc. I wonder how that's being handled now in western Europe.
Yes, the commonality of the levers is a concern right now, but I so long for the days (early 1970's) when I lived in Kirkland, WA and shopped at a nearby no-frills market down the road. Everything from dry goods to soaps, lotions, oils was sold in this manner, with liquids being self-served via a spigot. The customer just had to provide standard sized containers (e.g., a quart container for shampoo or conditioner) that were clearly marked. This store offered high-quality items, including organic, and the prices were remarkably reasonable for a costly part of the country! I just loved shopping this way. I feel irresponsible with all the containers in which I purchase produce today, even if I recycle after, or use instead of baggies for lunches, etc. It worked very well in that location, where the general public cared about such. It would not work well in areas where there's a tendency towards negligence (such as New Orleans, LA, where I'm originally from).
Interesting, but what about infection control?