So, middle-income Americans are just like the average human being, just luckier in having a few more bucks in their paycheck?

> have always been a greater threat to Saudi Arabia

It all seems to have gone pretty well for Saudi to date.

My apologies if I seemed to be wishing ill tidings for Saudi Arabia. I have no wish for Saudi Arabia to see bad times ahead. However, I think every oil-dependent country is in for a rocky ride in the next decade, as renewables become the dominant energy source, and since Saudi Arabia is the world's leading oil producer, they came first to mind. Not something I want to happen at all, just something I think will happen, which we should prepare to mitigate. My apologies if it sounded otherwise.

Um, suppose you would want take a stab at that, why would specifically comment on middle-income ones?

Are they even the ones in charge of the country?