There was massive inflation in asset prices, especially in commercial and residential property, and a hideous and dangerous explosion of the accumulation of debt: an analysis by McKinsey, which I've mentioned here many times before, shows that the aggregate of household, business, government and bank debt increased from less than 200% of GDP in 1987 to a record 500% of GDP in 2008, and hasn't really fallen since.

BBC: Can the Bank of England hit any target?

In a straw man demonstration of the pitfalls in common statistical analysis, they showed that on the aggregate, women were accepted at a nearly 10% lower rate than men (35% to 44% respectively).

FORBES: The Dangers Of Cargo Cult Data Science