It's just hilarious (or frightening?) how easy the most people in this market react to random guys / opinions. That's exactly why things like this ZCL FUD action is possible in the first place.
These are the kind of people who don't know anything about investing. You should always know basics on how things work before you start pouring in cash.. Just like in the stock exchange game, you don't sell based on some random opinions, because most of the time these opinions are bollocks. You only follow official channels for news and study what the company does behind the curtains. If these channels gives you a hint of huge drop, then it's best to sell.
Crypto hype in 2017 got a lot of clueless people aboard on the ship and now they are jumping off in panic.