I could be wrong, but I would assume they’re part of a bottle exchange; where they wash the bottles and reuse them

If you don’t want to think about it too much; all thumbs are fingers but not all fingers are thumbs.

Also Pastry Chef Tuvok.

I kinda like this idea; on a one-to-one basis where the maths works out that is.

Wasn’t it twice? I guess not at this point though.