Big companies are incredibly efficient at generating wealth. Look around you.

>They then use tricks and more tricks to hide the reality(GM or Enron) so the party continues one more day.

You cherry pick two large companies, only one of which can actually be considered a failure (if you think GM has been a failure, I don't know what to tell you). You don't think fraud goes on on a massive scale at the small business level? And what about the other 498 companies in the fortune 500?