Success follows where the money is. And right now the money is with EPL , and it looks like its going to be there for some time. They have created a brand , capitalize on proper marketing and captured the global market when Serie A is still content with being what they get in Italy.
All 20 EPL clubs make into the top 40 richest club in Europe, meanwhile we have huge clubs like Parma who is sold for 1euro . Soon , even the famed atmosphere will long gone, if there is no proper finance to back the clubs to operate.