Try to get past your emotions.
You think since they are charging so much per minute someone is getting rich. If they were trying to get rich, they would lower the cost and sell more minutes which is basic economics.
So they have an expensive phone system with limited calls because they charge so much. Now can you put on your thinking cap and understand why they would do that?
You're clinging to your notion that the gruberment can do no wrong.
Maybe you have Daddy issues?
ROTFLMAO!
You actually believe that the gruberment understands or cares about "basic economics"!
That's what they have gunthugs for, True Believer.
Q: How much more does the gruberment pay when they drive up the price of gasoline with stupid energy policies?
A: The same as they paid before - a gun in your face, taxpeasant.
Are you familiar with the concept of monopoly pricing? How about price elasticity? Because, taking those two concepts together, and applying them in the prison context goes a pretty long way in explaining exactly why you are wrong.