Money is a representation of your buying power relative to everyone else. So if everyone's money doubled, no one got richer. It's only when the percentage of buying power changes that anyone is really more or less poor relative to before.
Ok, back to the argument...
>Poor, because poor people are the only ones to be entirely in debt.
Wrong answer. You missed the part where I said leveraged into assets. If you are 50,000 in debt, and I have 50,000 in cash, if the amount of money doubled out there... I'm the same amount rich, but you're less poor than you were! So if that was the end of the story, you'd be right. Poor people get helped out more than the rich. But that's not the end of the story...
Now, let's say that 50k in cash went towards the down payment on a house worth 250k (20%).
Again, to make it easier, we're imagining the amount of money out there doubles. Guess what? My asset just went up to 500k. I was leveraged into the growth. I just made out like a bandit. Are you less poor? Yes, but relative to all of us who bought houses, you just got fucked. (Because of inflation).