However, the blog where I got that image surmised that they didn’t know the difference between a comma and an apostrophe. My presumption is that because the marks look exactly the same, they were confused by the sign-maker.
Either that, or it’s some quirk of another country.
Who are you? | What do you want? | Why are you here? | Where are you going? | Do you have anything worth living for? | Who do you serve and who do you trust?