This is the most common mistakes for investors right now that leads on the end crying. Because they have been easily fooled in just a rumor, without making research first.
As you say, this weakness makes people lose, they are lazy to find the truth and draw conclusions from others that it is true. We can all avoid it by reading a lot of news about Crypto's development and analyzing it before making a decision. I myself am still learning and there are still many mistakes that must be corrected.