Now they're automatically enforced in court. Including limitations on the customer's ability to speak or write about the product. Allows vendors to disclaim warrantys. Now we get into legalized fraud. Bate and switch.
Outlaws reverse engineering.
You just know the day it's passed Microsoft will create a new .doc definition. Only now other vendors will not be able to reverse engineer it to import it. If that document is important to you, you must keep Microsoft Word forever. At any price. With any bugs.