They did nothing wrong, regardless of the price of their home.
I say good for him! If he can afford a $1M home, attaboy! Be a role model with your money. Look at all the good you can do with it.
$1M, while it is a significant amount of money for me, may not be for him. It is all about ratios as a percentage of income.
Lets celebrate people's successes (unless this guy is some kind of crook).