¿Que? I'm not even sure how to interpret this statement. Monopolies of what exactly?

Monopolies over the creations.

Thomas Jefferson's proposal for the Amendment that granted copyright and patents was:

  Art. 9. Monopolies may be allowed to persons for their own productions
  in literature and their own inventions in the arts for a term
  not exceeding — years but for no longer term and no other purpose.

Madison, on the other hand, wrote:

  Monopolies, though in certain cases useful, ought to be granted with caution,
  and guarded with strictness against abuse. The Constitution of the United
  States has limited them to two cases--the authors of books, and of useful
  inventions (...)

The ridiculous copyright extensions pushed for by the mafiAA? Ridiculous suits against network printers, computer illiterate grandmas, and children, sometimes for more than the GDP of the entire world?