Scammers who are trying to extort are coming into play when STEEM takes of, say USD 50+...
No easy answer, but I also know that the STEEM community has something that BTC has not: It's a society in and of itself, often with a v strong community sense, such as in SteemSpeak and MSP... The world is not a safe place, but taking reasonable steps to protect one's privacy is just as important as taking responsibility.

At the end of the day, pride (flashing the dough) preceeds the fall). Always stay humble.