But they won the money long after they had been destroyed. Microsoft was eventually found to be a monopoly and forced to disgorge some profits and settle numerous private suits. However, the sum total Microsoft spent in defending, settling, or paying fines amounts to less than 1 years worth of net income.
Not a bad game plan when you think about it. Do whatever you can today to wipe out your competition and secure your monopoly. Worst case, you get caught and you are forced to pay them off in the distant future with a small portion of your profits.