Some of the CC's try totally new ideas. For example, litecoin uses scrypt instead of bitcoin's sha. Another coin uses Proof of Stake instead of Proof of Work. T

Some of the CC's try totally new ideas. For example, litecoin uses scrypt instead of bitcoin's sha. Another coin uses Proof of Stake instead of Proof of Work. These aren't simple bug fixes, these are fundamental differences of philosophy on how the network should work. Hence the forks. But, yes, there are some "me too" CC's.