Of course there are always people who need to sell for whatever reason. There are a large number of people not in the market who otherwise would be, but that doesn't mean nobody is in the market.
> whatever reason
They died. That's why some people aren't in the market: They are deceased. And new people enter the market because they have been born.
> whatever reason
They died. That's why some people aren't in the market: They are deceased. And new people enter the market because they have been born.