1. Their exchange is operational and you can buy and sell it from them.
2. They use their exchange so bots can trade without fees.
3. Not all Crypto is Decentralized, Ripple is Centralized, Bitcoin is no longer decentralized (when the miners control it from one location, decided to stop mining they brought it to a stand still), IOTA doesn't even use block chain technology. So basically you are FUDing BCC for some reason, maybe just to get Steemit Ups. Yes there is a risk, that risk being too many people get it in their head that Bitconnect is a scam, people stop using it and they go out if business, then the people who are invested will actually loose their money.