Lack of demand decreases growth, and Growth is the primary attraction for well over half of non-institutional investors.    Demand pushes growth.   'Build it and they well come', only works in an Iowa cornfield

Comrade is correct that investors have favored status.   (which helps explain the inequity of tax's on investment gains, vs the much higher tax on earned income)

There is a case to support the super wealthy.  Their personal needs are non-existent in term of physical comforts, education, health care.   That leaves billions of dollars in discretionary money that can be invested for long periods of time and have zero risk of collapsing to a point of causing hardship.

Wealthy people make better investors.    
Investors are first in line for the cut of most corporation's profits.   
The Ownership Society of Pres. Bush has come to pass.    
It's a great deal - for some.