Yes and my partners father has been calling for a bust for the last decade and everything has simply taken off.
All to say, your SO's dad would have been right at any point prior to the current financial cycle. Knowing what's changed doesn't make forecasting easier though.
But as for this
> why is all the money printing remaining in the rich person's realm instead of trickling down?
Always has been, it's kinda one of the defining features of capitalism
The assets in the S&P 500 have, that's what was brought up.