It will only be a scam if some one is using it for scam. But it will never be a scam, if you know how to handle your Ethereum it will never be a scam. You just need to keep your wallet carefully so no one can get your ETH. There are so many ways on how to keep you wallet safe so it will not be get to you. Before you choose what wallet you will gonna use read some reviews about the wallet, read some article on the wallet, on how you can keep it safe. For me I used MEW there are many ways on how you can keep your wallet safe and no one can get your crypto.