> Family history is strongly correlated with wealth and intelligence.
And? What does that have to do with your original and wrong claim that wealth and / or intelligence lead people to be better at moderation when it comes to addictive substances?
> Studies comprising "adults in Britain" consist almost exclusively of mostly relatively well-to-do
Your claim was about wealthy. You are moving the goal posts from wealthy to "relatively well-to-do" and "compared to the rest of the world".
And that does not explain why Brits who drink coffee live longer than Brits who do not. Or why the very many studies outside the UK show the same results.
And? What does that have to do with your original and wrong claim that wealth and / or intelligence lead people to be better at moderation when it comes to addictive substances?
> Studies comprising "adults in Britain" consist almost exclusively of mostly relatively well-to-do
Your claim was about wealthy. You are moving the goal posts from wealthy to "relatively well-to-do" and "compared to the rest of the world".
And that does not explain why Brits who drink coffee live longer than Brits who do not. Or why the very many studies outside the UK show the same results.