"The vast middle class that is fast disappearing."
Where is this "disappearance" coming from. Are there facts to support your thesis? I submit that home ownership is at an all time high. That's middle class for the most part. More people own stocks then ever before; that too is middle class.
The fact is that class is a matter of class consciousness and self definition. Are blue collar workers members of the middle class?
Regarding stock ownership, we can quibble the fact that mutual funds have separated the owners from the means of production. What good is ownership if you have no say in policy or what goes on?
As Einstein once said, everyhting is relative.