Must must remember this as a good example to take a conclusion of the whole of ethereum forks that not officially announced by ethereum foundation is a scam. These people were getting deceived by scammer wanna earn fast profits.
Greedy investors who want to get easy money will usually get scammed by fake forks.
They tend to easily to give their private keys for scammers to claim forked coins.
After all, they lose all their money.
The ETCV is a good example of scam fork.