I understand what the NFL wants and what the Union wants and I understand why they want revenue sharing.
They want to create a level playing field that will make the league better as a whole, in turn making every team better in the end.
In America, we call this ...
com·mu·nism 
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Pronunciation Key (k
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n.
- A theoretical economic system characterized by the collective ownership of property and by the organization of labor for the common advantage of all members.
...From dictionary.com